Question

explain softening of permanent hardness of water by calgon's process
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Answer 1

Answer:

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Explanation:

Adding Calgon to rough water results in sodium ions being separated from Calgon's anion by hard water calcium and magnesium ions. The effect is the extraction from hard water, in the form of a Calgon complex, of calcium and magnesium ions. It softens the water and releases sodium ions.

Answer 2

Answer:

Hope this will help you.

Explanation:

Adding Calgon to rough water results in sodium ions being separated from Calgon's anion by hard water calcium and magnesium ions. The effect is the extraction from hard water, in the form of a Calgon complex, of calcium and magnesium ions. It softens the water and releases sodium ions.