Question: From the water sample analysis: 40 mg/L Ca+2, 5 mg/L Mg+2, 10 mg/L K+, 10 mg/L SO4-2, and alkalinity which is equal to 122 mg/L

From the water sample analysis: 40 mg/L Ca+2, 5 mg/L Mg+2, 10 mg/L K+, 10 mg/L SO4-2, and alkalinity which is equal to 122 mg/L as CaCO3. Calculate the TH, CH, and NCH. Also check the classification of water hardness of the water sample.

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