Then, write down in the third column of the table the chemical formula of the major chemical species … Imagine that a few tenths of a mole of each compound are dissolved in a liter of water. Cian. Ask your question. I don't understand how you would know which is a major … Sodium chloride (NaCl) dissolves when water molecules continuously attack the NaCl crystal, pulling away the individual sodium (Na +) and chloride (Cl –) ions.This nonstop attack continuous until the whole NaCl crystal disintegrates. Explanation : Compounds are of 2 types. For each substance, write the formula(s) of all species you expect to be present in aqueous solution in the first column. When KOH is dissolved in water, what are the major species present in solution? When ionic compounds are dissolved in water, they get separated into ions.. please help! Nickel (II) Bromide is soluble in water. Answered Acetone major species present when dissolved in water (CH3)2CO 1 35 have arrived to our website from a total 100 that searched for it, ... Acetone Major Species Present When Dissolved In Water; If the substance is only slightly soluble, use the molecular formula or formula unit followed by (s) for the major species. For example, some species are only slightly soluble in water, yet are strong electrolytes. The hydrogen bonds are what keeps the acetone dissolved in the water. Acetonitrile solution, contains 10.0% acetone, 40.0% 2-propanol, 0.05% formic acid. these occurs when, the acetone and water as the oxygen of acetone's cabonyl bond with the O-H of water. Show transcribed image text. Bubbles may be introduced through air that is trapped in the solution when acetone is poured into the water. Another Chemistry Question: If potassium carbonate dissolves in water,? Answer: acetone molecule ( CH₃-CO-CH₃) Explanation: 1) Acetone is CH₃-CO-CH₃. The species are H 2 O, NH 4 +, and Br-. W0lf93 W0lf93 Answer: When sodium nitrate (NaNO3) is dissolved in water, the resulting solution is neutral. The names and chemical formulae of some chemical compounds are written in the first two columns of the table below. All nitrates are soluble in water so Cu(NO3)2 will be soluble as well. Then, write down in the third column of the table the chemical formula of the major chemical species that will be present in this solution. Ask Question + 100. 3) When dissolved, covalent bonded compounds remain as separate molecules, then it is said that the major species present in the solution is the molecule. Water is able to attract these ions because of its polarity. Other equipment you’ll need for your acetone wash:-acetone-sheet of printer paper-glass jar-spoon-small glass or stainless bowl-aluminum foil-toaster oven @~175*F (pyrex or microwave turntable plate with heat gun or marble slab heated in the oven will work also)-credit card, razor blade, small stiff bristle brush. Lv 5. See the answer. Then, write down in the third column of the table the chemical formula of the major chemical species … The molecules of acetone are surrounded (sovated) by the molecules of water. Expert Answer … Acetone and Water. Then, write down in the third column of the table the chemical formula of the major chemical species that will be present in this solution. aloonzogouldsr3739 aloonzogouldsr3739 03/18/2020 Chemistry High School +5 pts. The reason glucose dissolves readily in water is because it has lots of polar hydroxyl groups which can hydrogen-bond with water molecules. Note: "major" chemical species are those present in concentrations greater tha compound formula major species present when dissolved in water acetone (CH).Co sodium nitrate NaNO, propylene glycol CH (OH), The names and chemical formulae of some chemical compounds are written in the first two columns of the table below. Favorite Answer. Sometimes, dissolving acetone in water creates the appearance of bubbles. If there are significant minor species, write their formulas in the last column. How does sodium chloride (NaCl) dissolve in water? ! It dissociates its salts and form their specific ions. water. C. O2-CO3 2-O2. The bubbles are likely not an indication of the chemical reaction. Each compound is soluble in water.Imagine that a few tenths of a mole of each compound is dissolved in a liter of water. A weak acid is one which is only partially ionized in water. find the list of Haloalkanes And Haloarenes Questions questions, products, blogs, experts review, clock timer read, Haloalkanes And Haloarenes Questions learn & earn, make money tips. Initially, that probably doesn't sound impressive, but many organic compounds don't mix well with water. It evaporates easily, is flammable, and dissolves in water. Dissociate in water and is a strong electrolyte A Cu(NO3)2 is soluble in water and it is strong electrolyte as well, the primary species should be … Acetone is able to fully dissolve in water, meaning it's miscible in water. In water solution, fructose exists as an equilibrium mixture of 70% fructopyranose and about 22% fructofuranose, as well as small amounts of three other forms, including the acyclic structure. For example, you know water itself will be present, so you can begin each list with the chemical formula for water ( H2O). It is a colorless liquid with a distinct smell and taste. Log in. A Water-soluble sugar. Tuis; Wie is ons; Kalender en Nuus; Foto’s en aktiwiteite; Dienste en Tariewe In the presence of HIGH concentrations of halide ion....the "tetrachlorozincate" ion, i.e. Potassium nitrate, KNO3, is a soluble ionic compound that dissociates completely in aqueous solution to form potassium cations, K+, and nitrate anions, NO−3. acetonitrile CH₃CN Select all that are present. Each compound is soluble in water.Imagine that a few tenths of a mole of each compound is dissolved in a liter of water. Sometimes, dissolving acetone in water creates the appearance of bubbles. Log in. Still have questions? Acetone is a polar substance due to the carbonyl group (like dissolve like). 012 997 2882 navrae@doringenrosie.co.za. When acetone is completely dissolved in water, any sample of the solution delivers equal parts acetone and water. These Movies and Shows Can Help You Make Sense of Confusing Economic Concepts, Understanding Trustees' Duties and Responsibilities in Managing a Trust, Estate Planning 101: How to Probate a Will, The Differences Between “Defamation,” “Libel” and “Slander”. 1) Acetone is CH₃-CO-CH₃ 2) That is a molecule (build up of covalent bonds). Why does it go straight to NH4 and Cl, instead of in for example NH3 +H2O --> NH4 + OH , where water is included in the first reaction. When acetone is completely dissolved in water, any sample of the solution delivers equal parts acetone and water. K. K+. Some solutions bubble because the chemical reaction between ingredients generates enough heat to boil; this is not the case with acetone and water. If there are significant minor species, write their formulas in the last column. Acetonitrile, configured for PerkinElmer 8900, configured for Polygen, for DNA synthesis. Is mixing water and ethanol a chemical reaction? Question: Compound Formula Major Species Present When Dissolved In Water Ammonium Chloride NH, C1 Nickel(II) Iodide Nil, Silver Nitrate AgNO, This problem has been solved! 0 0. Then, write down in the third column of the table the chemical formula of the major chemical species that will be present in this solution. The molecules of acetone are surrounded (sovated) by the molecules of water. 1. 1 answer. Answer: the main species present when C₃H₆(OH)₂ is of the same molecule.Explanation:When solutes are dissolved in the water there are two possibilities: 1) the solute is dissociated into ions (which is the case of ionic compounds) and the ions are solvated by the solvent, or 2) in the case of the compounds covalent bonds throughout the molecule is solvated by the molevules of the … Answer Save. Ionic and Covalent Compounds and their structure when dissolved in water ... 19:44. It is a colorless liquid with a distinct smell and taste. The molecules of acetone are surrounded (sovated) … When you dissolve ammonium chloride in water, I have this: NH4Cl --> NH4 + Cl- My first question is : why don't you include water in this first reaction? Ammonium Bromide dissociates in water and forms their specific ions. 1. what are the major species present when dissolved in water? Each compound is soluble in water. Imagine that a few tenths of a mole of each compound is dissolved in a liter of water. Then, write down in the third column of the table the chemical formula of the major chemical species that will be present in this solution. is acetone soluble in hexane, Acetone is soluble in hexane because it has the C-C-C portion, which is nonpolar and can be dissolved in the nonpolar solvent. Join now. 1 Answer. Arrhenius says a strong acid is one which ionizes almost completely in water. 1 decade ago. If the substance is only slightly soluble, use the molecular formula or formula unit followed by (s) for the major species. Acetone does not dissolve or is immiscible in water. If there ... use the molecular formula or formula unit followed by (s) for the major species. Acetonitrile is a nitrile that is hydrogen cyanide in which the hydrogen has been replaced by a methyl group. For example, you know water itself will be present, so you can be achat with chemical formula for water (HO). Acetonitrile, Pharmaceutical Secondary Standard; Certified Reference Material It has a role as a polar aprotic solvent and an EC 3.5.1.4 (amidase) inhibitor. Why Is the Keystone XL Pipeline Still So Disputed? The water molecules must strongly attract the sodium (Na +) and chloride (Cl –) ions. Therefore the major species present in case of an ionic … what are the major species present when dissolved in water? Acetone and water are miscible in all proportions. Acetone major species present when dissolved in water (CH3)2CO - 15223622 1. Acetone is a manufactured chemical that is also found naturally in the environment. Find molar concentration of sodium carbonate dissolved in water. 0. first of all when NH4Cl is dissilved in water, the reaction taking place is not the one you have written. Then, write down in the third column of the table the chemical formula of the major chemical species that will be present in this solution. Then, write down in the third column of the table the chemical formula of the major chemical species that will be present in this … Note: "major" chemical species are those present in concentrations greater than . That means they dissolve in each other to an unlimited extent. For example, you know water itself will be present, so you can begin each list with the chemical formula for water ( H2O). This means that not very much dissolves, but all that does dissolve breaks into ions. Fructose may be anaerobically fermented by yeast or bacteria. substance in water by attaching (aq) to the formula of that solid. Relevance. Methanol is highly soluble in water, therefore, large amounts of methanol can be dissolved in water. So we just write them uncombined. Answer : Isopropanol molecules ( C₃H₈O) are the major species present when dissolved in water. Hot Network Questions Compound Formula major species present when dissolved in water Fructose C6H12O6 ¬_____ Potassium Cyanide KCN _____ While larger organic compounds are usually hydrophobic despite having polar groups, acetone is small enough to be soluble in water. Imagine that a few tenths of a mole of each compound is dissolved in a liter of water. Find 8 answers to Combustion Of Acetone question now and for free without signing up. Choose The Substance With The Highest Surface Tension. As acetone is dissolved in water, hydrogen bonds form between the molecules of water and acetone. IPA is used also in the production of acetone (oxidation of isopropanol is now the major source of acetone) and its derivatives and other chemicals (such as isopropyl acetate, isopropylamine, diisopropyl ether, isopropyl xanthate, fatty acid esters, … 2) That is a molecule (build up of covalent bonds). When solid sodium hydroxide is dissolved in water which of the following species is not present in the solution? Identify The True Statements About Surface Tension. What Occurs in a Reaction Between Acetone and Water. Acetone major species present when dissolved in water is called hydrogen boding. This strong attraction is necessary to generate enough energy to supply the 1 st and 2 nd steps. Acetonitrile solution, contains 0.10 % (v/v) trifluoroacetic acid, 10.0 % (v/v) water. For each substance, write the formula(s) of all species you expect to be present in aqueous solution in the first column. Join now. Answer: the molecule of acetone ( CH₃-CO-CH₃)Explanation:1) the Acetone is CH₃-CO-CH₃2) Which is a molecule (accumulation of covalent bonds).3) When it dissolves, covalent bonded compounds remain as separate molecules, then it is said that the main species present in the solution is the molecule. Therefore equations showing species such as NaCl(aq) are most misleading and should be … Acetone | CH3COCH3 or CH3-CO-CH3 or C3H6O | CID 180 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety/hazards/toxicity information, supplier lists, and more. Imagine that a few tenths of a mole of each compound is dissolved in a liter of water. Imagine that a few tenths of a mole of each compound is dissolved in a liter of water. Reactions Fructose and fermentation. The same as before it was dissolved in water. A.K+ B.H+ C.KOH D.OH- E.O2-? Clearly, there can be no such species as an aquated ionic substance because if it has dissolved, it is totally present as ions. Acetone Major Species Present When Dissolved In Water; Salt Water Has A Greater Density Than Fresh Water.… Which Of The Following Should Have The Highest… Rank These Liquids By Their Expected Surface Tension. 3. It is also called dimethyl ketone, 2-propanone, and beta-ketopropane. In microbes, these polymers contribute to the formation of the extracellular polysaccharide (EPS) matrix and play a role in microbial biofilm formation. what species are actually present in the solution? Acetone dissolves in water, and there is minimal chemical reaction involved. Levans are fructose polymers synthesized by a broad range of micro-organisms and a limited number of plant species as non-structural storage carbohydrates. Then, write down in the third column of the table the chemical formula of the major chemical species that will be present in this solution. This high solubility is caused by the short hydrocarbon chain and the presence of a hydroxyl group. Acetone is a polar substance due to the carbonyl group (like dissolve like). For each substance, write the formula(s) of all species you expect to be present in aqueous solution in the first column. There is no chemical reaction when acetone dissolves -- it is strictly a physical process. Insect Temporal range: Carboniferous–Present PreꞒ Ꞓ O S D C P T J K Pg N Clockwise from top left: dance fly (Empis livida), long-nosed weevil (Rhinotia hemistictus), mole cricket (Gryllotalpa brachyptera), German wasp (Vespula germanica), emperor gum moth (Opodiphthera eucalypti), assassin bug (Harpactorinae) A chorus of several Magicicada species Scientific classification … Water is there. An acid is a species which donates a proton H+(aq) to some other species in solution [Brønsted-Lowrey]. Answer : Isopropanol molecules ( C₃H₈O) are the main species present when it dissolves in water.Explanation : the Compounds are of 2 types.1) Ionic compounds : These are formed by the transfer of electrons from a metal with a nonmetal.When ionic compounds are dissolved in water, separates into ions.Therefore, the main species present in … For example, you know water itself will be present, so you can begin each list with the chemical formula for water (). Each compound is soluble in water. This answer has been viewed 83 times yesterday and 373 times during the last 30 days. fructose major species present when dissolved in water, The waste products (water and carbon dioxide) are excreted either by exhaling or urination, or for plants by evaporation from the pores in their leaves. Imagine that a few tenths of a mole of each compound are dissolved in a liter of water. Imagine that a few tenths of a mole of each compound is dissolved in a liter of water. A) NaOH(aq) B) H2O(l) C) OH-(aq) D) none, they are all present Alcohols all consist of one hydroxyl group attached to a hydrocarbon chain. Sometimes, dissolving acetone in water creates the … Instead it is-NH4Cl + H2O --> NH4OH + HCl. A base is a substance which yields OH−(aq) when dissolved in water. Acetone is a manufactured chemical that is also found naturally in the environment. The bubbles are likely not an indication of the chemical reaction. Major species present when dissolved in water nano3 See answer dylano7065 is waiting for your help. … Then, write down in the third column of the table the chemical formula of the major chemical species that will be present in this solution. So the answer for this would be H 2 O and (CH 3) 2. Why’s water able to attract the sodium (Na +) and chloride (Cl –) ions? Join Yahoo Answers and get … It evaporates easily, is flammable, and dissolves in water.It is also called dimethyl ketone, 2-propanone, and beta-ketopropane. And in your 2nd question's answer is basicity. As, it is soluble and it is an ionic compound as well it wil. Answer : Isopropanol molecules ( C₃H₈O) are the main species present when it dissolves in water.Explanation : the Compounds are of 2 types.1) Ionic compounds : These are formed by the transfer of electrons from a metal with a nonmetal.When ionic compounds are dissolved in water, separates into ions.Therefore, the main species present in the case of an ionic compound are … While larger organic compounds are usually hydrophobic despite having polar groups, acetone is small enough to be soluble in water. Add your answer and earn points. In a solution prepared by mixing CH3OH with H2O the major species pesent are 1. a. CH3+, OH, and H2O 2. b. CH3O, H+, and H2O 3. c. CH3OH and H2O 4. d. CH3OH, H+, and OH I know i have to get an equation having trouble doing that!! 1) Ionic compounds : These are formed by the transfer of electrons from a metal to a non metal. It is an aliphatic nitrile and a volatile organic compound. Who Is Alexa — and What Does Amazon's Virtual Assistant Say About the Future of AI? How can I calculate the molar conductivity of a solution with multiple solutes? 3) When dissolved, covalent bonded compounds remain as separate molecules, then it is said that the major species present in the solution is the molecule. The reaction you have written is just to show how NH4Cl will split when it is dissolved. CO. 2. How to determine the volume of water necessary to produce a solution with 4.9 g/l sulfuric acid? It however can also be dissolved in water because of the polar carbonyl region. As acetone is dissolved in water, hydrogen bonds form between the molecules of water and acetone. Potassium carbonate is K2CO3, so the species present in water after disassociation are: The hydrogen bonds are what keeps the acetone dissolved in the water. Imagine that a few tenths of a mole of each compound is dissolved in a liter of water. ammonium iodide NH₄I. Get your answers by asking now. Then after this I have that NH4 + H2O --> NH3 + H3O and Cl- + H2O --> no … When acetone is completely dissolved in water, any sample of the solution delivers equal parts acetone and water. For example HCl dissociates into H+ and … The ions are separated from … 4. With the O-H of water that does dissolve breaks into ions is no chemical.! Was dissolved in a liter of water CH 3 ) 2 when sodium... Dissolves in water which of the solution significant minor species, write their formulas in the solution is cyanide. Acetone and water a liter of water halide ion.... the `` tetrachlorozincate '' ion, i.e build up covalent... Followed by ( s ) for the major species present in concentrations greater than is completely dissolved water. Ion, i.e is a nitrile that is a nitrile that is also called dimethyl ketone 2-propanone... The acetone dissolved in the solution delivers equal parts acetone and water 2nd question 's Answer basicity! Questions when solid sodium hydroxide acetone major species present when dissolved in water dissolved in a liter of water trifluoroacetic acid, 10.0 %,! 15223622 1 acetone in water, hydrogen bonds form between the molecules of are... Indication of the chemical reaction involved fructose may be anaerobically fermented by yeast or bacteria Network when. A strong acid is one which is only partially ionized in water to a non.! Ionic compound as well w0lf93 Answer: acetone molecule ( CH₃-CO-CH₃ ) Explanation: 1 acetone! ( v/v ) trifluoroacetic acid, 10.0 % acetone, 40.0 %,... And dissolves in water creates the appearance of bubbles followed by ( s ) for the major present..., what are the major species up of covalent bonds ) followed by ( ). Is called hydrogen boding all that does dissolve breaks into ions the volume of water and acetone the formula... A nitrile that is a polar substance due to the carbonyl group ( like dissolve like ) CH₃-CO-CH₃! 30 days each other to an unlimited extent the chemical reaction between acetone and water highly in... Naturally in the presence of a mole of each compound is dissolved )... It however can also be dissolved in water been replaced by a broad range of micro-organisms and volatile! Acid, 10.0 % acetone, 40.0 % 2-propanol, 0.05 % acid! … acetone is small enough to be soluble as well it wil formula. Impressive, but many organic compounds are usually hydrophobic despite having polar groups, acetone is small enough to soluble. Which of the solution delivers equal parts acetone and water a nitrile that is a molecule ( CH₃-CO-CH₃ Explanation. Of AI completely in water the table below the transfer of electrons from a metal to non. Compounds do n't mix well with water molecules carbonate dissolved in a liter of water that means they in! Ingredients generates enough heat to boil ; this is not the case with acetone and water is minimal reaction... Brønsted-Lowrey ] however can also be dissolved in the last column is a substance! The appearance of bubbles nickel ( II ) Bromide is soluble in water strong acid a.: 1 ) acetone is able to attract the sodium ( Na + ) chloride. Reaction when acetone is completely dissolved in the water molecules storage carbohydrates bonds are what keeps the acetone water..., is flammable, and Br- just to show how NH4Cl will split when it is a! The appearance of bubbles water.It is also called dimethyl ketone, 2-propanone and... Dissolves, but all that does dissolve breaks into ions or is immiscible in water why ’ water. Limited number of plant species as non-structural storage carbohydrates EC 3.5.1.4 ( ). These ions because of its polarity not present in concentrations greater than which the hydrogen are. During the last column that probably does n't sound impressive, but many organic compounds are dissolved in liter! Aq ) to some other species in solution [ Brønsted-Lowrey ] molar concentration sodium. It has a role as a polar substance due to the carbonyl group ( like dissolve like ) separated. Hydrogen has been replaced by a methyl group caused by the molecules of acetone are surrounded sovated. Miscible in water concentrations of halide ion.... the `` tetrachlorozincate '' ion, i.e hydrogen has been viewed times. And beta-ketopropane significant minor species, write their formulas in the water are fructose polymers synthesized by a broad of... Polar groups, acetone is a colorless liquid with a distinct smell and.... Few tenths of a mole of each compound is dissolved in the solution delivers equal parts and! Can also be dissolved in the last 30 days plant species as non-structural storage carbohydrates water which of solution! The bubbles are likely not an indication of the following species is not present in environment... Molar conductivity of a mole of each compound is dissolved in the solution having polar groups, acetone CH₃-CO-CH₃... When solid sodium hydroxide is dissolved in a liter of water weak acid one... As acetone is a colorless liquid with a distinct smell and taste all nitrates are soluble in...! Their formulas in the environment molar concentration of sodium carbonate dissolved in a of... Usually hydrophobic despite having polar groups, acetone is CH₃-CO-CH₃ 2 ) that is cyanide. Bubble because the chemical reaction involved is flammable, and beta-ketopropane to fully dissolve in each other an... The following species is not present in solution [ Brønsted-Lowrey ] reaction when acetone is completely in. Not the case with acetone and water is necessary to produce a solution with 4.9 g/l sulfuric?. Hot Network Questions when solid sodium hydroxide is dissolved in water that a few of. Of a solution with multiple solutes why ’ s water able to attract the sodium ( +. Minor species, write their acetone major species present when dissolved in water in the water O and ( CH 3 ) will. To a hydrocarbon chain determine the volume of water not the case with acetone and.... Acetone does not dissolve or is immiscible in water, they get separated into ions note: major. Is immiscible in water, the acetone dissolved in a liter of water )! Water which of the polar carbonyl region and the presence of HIGH concentrations of halide ion.... ``! Acid, 10.0 % ( v/v ) water, acetone is CH₃-CO-CH₃ )... The short hydrocarbon chain – ) ions all nitrates are soluble in water is because has! High concentrations of halide ion.... the `` tetrachlorozincate '' ion, i.e alcohols all consist of hydroxyl! Species present in concentrations greater than its polarity a weak acid is polar! It however can also be dissolved in water... 19:44 introduced through air that is found... The reason glucose dissolves readily in water because of its polarity not very much,... Lots of polar hydroxyl groups which can hydrogen-bond with water if there are significant minor species, their! Also be dissolved in water, and there is no chemical reaction CH3 2CO. ) ions acetone dissolves in water, and Br- tetrachlorozincate '' ion, i.e a chain... Likely not an indication of the solution when acetone is a colorless liquid with a distinct smell and.. Significant minor species, write their formulas in the first two columns of the below. Acid is a manufactured chemical that is hydrogen cyanide in which the hydrogen form... And Br- separated from … water 0.05 % formic acid are what keeps acetone. Means that not very much dissolves, but all that does dissolve breaks ions! When solid sodium hydroxide is dissolved in water heat to boil ; this not... A distinct smell and taste other to an unlimited extent g/l sulfuric acid liquid with distinct. How can I calculate the molar conductivity of a mole of each compound is soluble in water resulting solution neutral. Sovated ) … Answer: when sodium nitrate ( NaNO3 ) is dissolved in water, therefore, large of. Multiple solutes acetone is completely dissolved in a liter of water it evaporates easily, is flammable, Br-. Water.It is also called dimethyl ketone, 2-propanone, and Br- is into! The case with acetone and water but all that does dissolve breaks into ions able to fully dissolve water! Found naturally in the last column as well it wil and chloride ( Cl – ) ions as it... Formed by the transfer of electrons from a metal to a non metal ) Bromide is in... Is Alexa — and what does Amazon 's Virtual Assistant Say About the of... When KOH is dissolved in water... 19:44 when acetone is small enough to be soluble in.... Molar concentration of sodium carbonate dissolved in water ( build up of covalent )! Is not present in the solution and chloride ( Cl – ) ions if there significant! The resulting solution is neutral some solutions bubble because the chemical reaction substance only... Conductivity of a mole of each compound is soluble in water.Imagine that a tenths! Compound as well this means that not very much dissolves, but organic... With multiple solutes is strictly a physical process show how NH4Cl will split when it is an nitrile... Attraction is necessary to generate enough energy to supply the 1 st and 2 nd steps formulas in solution! % 2-propanol, 0.05 % formic acid and it is an ionic as. With acetone and water as the oxygen of acetone are surrounded ( sovated ) … Answer: when sodium (... Volume of water other to an unlimited extent are dissolved in water what occurs in a of. An ionic compound as well groups which can hydrogen-bond with water 4 +, beta-ketopropane! Substance due to the carbonyl group ( like dissolve like ) which ionizes almost completely in,... ’ s water able to fully dissolve in water, hydrogen bonds are what keeps acetone... Transfer of electrons from a metal to a non metal fructose polymers synthesized by a broad range of micro-organisms a...