<P> Vinegar is a liquid consisting of about 5 -- 20 % acetic acid ( CH COOH ) , water , and other trace chemicals , which may include flavorings . The acetic acid is produced by the fermentation of ethanol by acetic acid bacteria . Vinegar is now mainly used as a cooking ingredient , or in pickling . As the most easily manufactured mild acid , it has historically had a great variety of industrial , medical , and domestic uses , some of which ( such as its use as a general household cleaner ) are still commonly practiced today . </P>
<P> Vinegar is a liquid consisting of about 5 -- 20 % acetic acid ( CH COOH ) , water , and other trace chemicals , which may include flavorings . The acetic acid is produced by the fermentation of ethanol by acetic acid bacteria . Vinegar is now mainly used as a cooking ingredient , or in pickling . As the most easily manufactured mild acid , it has historically had a great variety of industrial , medical , and domestic uses , some of which ( such as its use as a general household cleaner ) are still commonly practiced today . </P>
what is the percentage of acetic acid in vinegar
what is the percentage of acetic acid in vinegar
5 -- 20 %
5 -- 20 %