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Vinegar is a mixture. It is comprised mainly of acetic acid (usually from 4 to 8 percent by volume) and water. The chemical formula for acetic acid is CH3COOH, and the chemical formula for water is H2O. Thus, vinegar is really a mixture of two compounds.

The acetic acid is a carboxylic acid, and this is what gives the vinegar its pungent smell. Vinegar is one of the products formed by the fermentation of alcohols.

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16y ago

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