9.5×10−3% MgCl2 and 1.36×10−4% CaSO4 are present in water. What – InterviewSolution

1.	9.5×10−3% MgCl2 and 1.36×10−4% CaSO4 are present in water. What is the measured hardness of water in terms of CaCO3?(Given : molar mass of MgCl2 and CaSO4 are 95 and 136 g/mol respectively. )
Answer» $9.5 \times 10^{- 3} % M g C l_{2}$ and $1.36 \times 10^{- 4} % C a S O_{4}$ are present in water. What is the measured hardness of water in terms of $C a C O_{3}$ ? (Given : molar mass of $M g C l_{2} a n d C a S O_{4}$ are 95 and 136 g/mol respectively. )

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