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26-03-2024
Chemistry

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Calculate the temporary hardness and permanent hardness of a sample of water containing: Mg(HCO₃)₂ = 7.3 mg/l; Ca(HCO₃)₂ = 16.2 mg/l; MgCl₂ = 9.5 mg/l; CaSO₄ = 13.6 mg/l
a. 200 ppm,150 ppm
b. 100 pppm, 150 ppm
c. 150 ppm, 200 ppm
d. 150 ppm, 150 ppm

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