26.2: Saponification of Fats and Oils; Soaps and Detergents
identify the structure of a soap, given the structure of the fat from which it is produced. describe the mechanism by which soaps exert their cleansing action. give a chemical explanation of the problems encountered when carboxylate soaps are used in hard‑water areas, and explain how they may be overcome by the use of sulphonate detergents.