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Calculate the hardness of a water sample containing Ca 2+ 60 mg/L, Mg 2+ 30 mg/L...

Calculate the hardness of a water sample containing Ca 2+ 60 mg/L, Mg 2+ 30 mg/L and HCO3- 366 mg/L and 17 mg/L of CO3= at a pH of 9.8..

Calculate the total hardness in terms of calcium carbonate.

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