what are the chemical properties of acetic acid?
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Physical properties: Pure acetic acid is a colorless liquid with a strong, corrosive pungent odor. Its density is 1.05 g/mL, and boiling point is 118 °C. It has a characteristic sour taste, and is highly miscible in water. Uses: Acetic acid is largely used in the food industry as vinegar, and as an acidity regulator.
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Acetic acid is produced industrially both synthetically and by bacterial fermentation. About 75% of acetic acid made for use in the chemical industry is made by the carbonylation of methanol, explained below.
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Vinegar contains acetic acid. The acid reacts with the calcium carbonate (ie the chalk) to form calcium ions, water and carbon dioxide.
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Acetic acid (HC2H3O2) is the acid in vinegar. When it dissolves in water, only about 1 percent of the acetic acid breaks up into hydrogen ions and acetate ions. The other 99 percent of the acetic acid remains unchanged. Therefore, acetic acid is a weak acid.
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The chemical formula for vinegar is CH3COOH (Carbon, Hydrogen, and Oxygen). As you can see, acetic acid is made of 2 carbon atoms, 4 hydrogen atoms, and 2 oxygen atoms. Other chemical formulas used for acetic acid are CH3CO2H, and C2H4O2.
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Standard white vinegar is a clear solution generally containing 4–7% acetic acid and 93–96% water ( 1 ). Some types of white vinegar can contain up to 20% acetic acid, but these are strictly for agricultural or cleaning purposes and not intended for human consumption.
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Acetic acid (CH3COOH) belongs to a class of acids called organic acids. There are four hydrogen atoms in the molecule, but only the one hydrogen that is bonded to an oxygen atom is ionizable. The O-H bond can be ionized to yield the H+ ion and the acetate ion. The other hydrogen atoms in this molecule are not acidic.
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The main substance in vinegar — acetic acid — can kill harmful bacteria or prevent them from multiplying. It has a history of use as a disinfectant and natural preservative.
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Molecular formula of acetic acid is . Quite clearly, one molecule of acetic acid has two oxygen atoms. Hence, one mole of acetic acid has two moles of oxygen atoms. Equation of acetic acid:CH3COOH,(C2H4O2).
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Acetic acid /əˈsiːtɪk/, systematically named ethanoic acid /ˌɛθəˈnoʊɪk/, is a colourless liquid organic compound with the chemical formula CH3COOH (also written as CH3CO2H, C2H4O2, or HC2H3O2). When undiluted, it is sometimes called glacial acetic acid.
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For example, one molecule of acetic acid, CH3CO2H, contains two atoms of oxygen and one mole of acetic acid and contains 2 mol of oxygen atoms.
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Acetate is the carboxylate ion of acetic acid. In acetoacetate, an α-hydrogen has been replaced by an aceto or acetyl group, CH3CO . Acetyl-CoA is Coenzyme A in which the H atom in the thiol group has been replaced by an acetyl group.
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Acetalisation is acid catalysed with elimination of water; acetals do not form under basic conditions.
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Physical properties Aspirin, an acetyl derivative of salicylic acid, is a white, crystalline, weakly acidic substance, with a melting point of 136 °C (277 °F), and a boiling point of 140 °C (284 °F). Its acid dissociation constant (pKa) is 3.5 at 25 °C (77 °F).