Chemistry, asked by Chanakya6520, 1 year ago

about synthetic resins method

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Answered by sona170903

Synthetic resins method is a method used for removing permanent hardness of water. In this method ion exchange resins (RSO3H) is changed to RNa by treating it with NaCl. Then, RNa exchanges Na+ ions with Ca2+ and Mg2+ ions present in hard water and as a result, hard water is softened.

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