Why Is Hardness Of Water Expressed In Terms Of Calcium Carbonate Equivalent?


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gokula krishnan Profile
gokula krishnan answered
It is expressed in terms of calcium carbonate equivalent because its molecular weight is 100,and also it's equivalent weight is 50,moreover it is the most insoluble salt that can be precipitated in water treatment.
Anonymous Profile
Anonymous answered
Since caco3 is more soluble in water and also its molecular weight is 100 ,it is used for expressing th hardness

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