Multiple choice Soap is a mixture of sodium or potassium salts of ____. Monocarboxylic acid Glycerols Dicarboxylic acid Tricarboxylic acid Reveal answer Fill a bubble to check yourself A Correct answer Explanation Soaps are sodium or potassium salts of fatty acids, which are monocarboxylic acids (long-chain acids like stearic acid C17H35COOH have one carboxyl group). They are not salts of dicarboxylic or tricarboxylic acids.