Chemistry, asked by 20ce02bhathreesan, 5 months ago

How will you express the hardness of water

Answers

Answered by sngtmoon

Explanation:

When hardness is expressed as 'mg/l as CaCO3', it's calculated as if all the calcium and magnesium were present only as calcium carbonate. Hard water is a mixture of calcium and magnesium, together with bicarbonate, sulphate, chloride, etc. Ca – is calcium, C carbon and O oxygen.

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