Question

5.8 A water sample containing following Mg(HCO3)2=7.3ppm,
CACHCO3)2 = 8.1ppm, cacl2 = 2.2² ppm. MgCl2=9.5ppm, NaHCO3=2.1ppm,Ca(NO3)2=3.28ppm,MgSo4=1.2ppm

a.. Find temporary and permanent hardness of water

b..calculate the amount of lime and soda needed
for softening 50m³ water




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Answer 1

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