A lot of scum formation was observed during washing with hard water. T – InterviewSolution

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1.	A lot of scum formation was observed during washing with hard water. The washing powder could be
Answer» `C_(17)H_(33)COONa` `C_(17)H_(3)COONa` Solution :Calcium and magnesium salts in hard water form insoluble salts of higher fatty acids `2C_(17)H_(33)COONa(aq) + Ca^(2+) + (aq)` (Hard water) to`(C_(17)H_(33)COO)_(2) Ca(s) + 2Na^(+) (aq.) `

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