Science, asked by anjacooleRegine, 1 year ago

why on addition of Na2CO3 to hard water the foaming capacity increases

Answers

Answered by rahulragini
8
Commonly known as Washing Soda, Sodium Carbonate, is used to remove temporary or permanent hardness. The Calcium ions and Magnesium ions do not dissolve unlike the Sodium ions and hence are replaced by the last named. The water is thus softened and, on use of soap, its foaming capacity increases. 
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