Question

Difference between residual chlorine n concentration of chlorine

Answer 1

Free chlorine refers to both hypochlorous acid (HOCl) and the hypochlorite (OCl-) ion or bleach, and is commonly added to water systems for disinfection. ... Total chlorine is the sum of free chlorine and combined chlorine. The level of total chlorine should always be greater than or equal to the level of free chlorine

Answer 2

Explanation:

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Free chlorine refers to both hypochlorous acid (HOCl) and the hypochlorite (OCl-) ion or bleach, and is commonly added to water systems for disinfection. ... Total chlorine is the sum of free chlorine and combined chlorine. The level of total chlorine should always be greater than or equal to the level of free chlorine.

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