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Why soaps can not be used in hard water 2024?

Lucas Patel | 2023-04-16 21:31:12 | page views：1431
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Zoe Lopez

Studied at the University of Johannesburg, Lives in Johannesburg, South Africa.
When soap is added to hard water, the Ca2+ and Mg2+ ions present in hard water react with soap. The sodium salts present in soaps are converted to their corresponding calcium and magnesium salts which are precipitated as scum. The insoluble scum sticks on the clothes and so the cleaning capacity of soap is reduced.
2023-04-20 21:31:12
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Ava Scott

QuesHub.com delivers expert answers and knowledge to you.
When soap is added to hard water, the Ca2+ and Mg2+ ions present in hard water react with soap. The sodium salts present in soaps are converted to their corresponding calcium and magnesium salts which are precipitated as scum. The insoluble scum sticks on the clothes and so the cleaning capacity of soap is reduced.
Cleaning Capacity of Soap with Hard and Soft Water (Theory) : Class ...
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