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Calculate the quantity of pure lime (70% pure) and soda (85%pure) required for softening of 100,000 litres of water containing the following impurities in ppm

Ca(HCO3)2=30.2,Mg(HCO3)2=20.8,CaCl2=28.1,MgCl2=8.78,CaSO4=35,MgSO4=6.7,NaCl=17.9

FE > Semester 1 > Applied Chemistry 1

Marks : 06

Years : DEC 2015

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Lime =74100(18.64+2×14.25+9.24+25.73)×10070×105=7470(82.11)×105=86.802×105Soda=106100(25.31+9.24+5.58)×10085×105=10685×40.13×105=50.044×105

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