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Calculate all types of hardness of water sample containing: Ca(HCO3)2=81 ppm MgSO4=60 ppm, MgCO3=42 ppm, Ca(NO3)2=82 ppm.
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CONSTITUENTS QUANTITY IN ppm MULTIPLICATION FACTOR CaCO3 EQUIVALENT
Ca(HCO3)2 81 100162 81×100162=50
MgSO4 60 100120 60×100120=50
MgCO3 42 10084 42×10084=50
Ca(NO3)2 82 100164 82×100164=50

 

Temporary hardness = Hardness caused due to[Ca(HCO3)2 + MgCO3] =50+50=100 ppm

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