why soap an ineffective cleansing agent in hard Water
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Soap is less effective in hard water since it reacts to form a calcium or magnesium salt of the organic acid in the soap and forms a grayish soapscum with no lather. Detergents, on the other hand, lather in both hard and soft water.
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Soap is less reactive in hard water since it reacts to form a calcium and magnesium salts of the organic acid in the soap and form a grayish soap with no leather.
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