Question

what is hard water ?how can u remove hard water by Calgon method​

Answer 1

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2Na+ + CaNa2 P6O182- From hard water Anion of calgon Goes into solution This results in the removal of calcium and magnesium ions from hard water in the form of a complex with Calgon. The water is softened and sodium ions are released into water.

Answer 2

Explanation:

2Na+ + CaNa2 P6O182- From hard water Anion of calgon Goes into solution This results in the removal of calcium and magnesium ions from hard water in the form of a complex with Calgon. The water is softened and sodium ions are released into water.