The amount of acid in vinegar is expressed as–

Correct option is B

• The acidity of vinegar is expressed as percent acetic acid, which indicates the grams of acetic acid present per 100 mL of vinegar.
• Commercial vinegar typically contains 4–8% acetic acid depending on its intended use.
• This percentage directly reflects the strength of vinegar as a preservative and flavoring agent.
• Grain strength is another method used in some regions but is not the standard labeling format.
• Parts per million (ppm) is used for trace components, not major acids.
• Degree Brix measures sugar concentration, not acidity.