Question

describe in detail about the ion exchange method for softening of hard water

Answer 1

Answer:

Standard water softeners are cation exchange devices. ... As hard water passes through a softener, the calcium and magnesium trade places with sodium ions (Figure 1). Sodium ions are held loosely and are replaced easily by calcium and magnesium ions. During this process, “free” sodium ions are released into the water.14-Jan-2019

Answer 2

Answer:

Ion exchange is a water treatment method where one or more undesirable ionic contaminants are removed from water by exchange with another non-objectionable, or less objectionable ionic substance.

Explanation:

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