Question

How to calculate hardness of water in ppm caco3 formula?

Answer 1

Answer:

Milligrams per litre (mg/l): The number of milligrams of calcium carbonate equivalent hardness presents in litre of water. 1 mg/L = 1 mg of CaCO3 eq hardness in 1 litre of water. But one litre of water weights =1 kg =1000g = 1000 x 1000 mg = 106 mg = 1 ppm.

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