Answer to Question #149832 in General Chemistry for Abi

General Chemistry

Question #149832

If a sample of water contains 9.5mg of mgcl2 per litre calculate the hardness in terms of caco3

Expert's answer

m(Mg)=Ar(Mg)*m(MgCl₂)/Mr(MgCl₂)=24*9.5/95=2.4 mg

Hrdness= 2.4 mg/L

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