Why hardness is expressed in terms of caco3 equivalent
Asked by admin @ in Chemistry viewed by 277 People
Why is degree of hardness expressed in terms of caco3 equivalent?
Answered by admin @
The hardness of water is expressed in terms of ppm because the molecular weight of calcium carbonate
is 100gm/mol.
It is easy to calculate. This is one of the main reason for expressing the hardness of water in ppm.
➡️calcium carbonate is insoluble in water therefore it is easy to calculate its amount in water.✔️✔️✔️
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