Question
Water analysis of a bore well reports as under
CO32- : 1.2 mel-1 HCO32- : 4.0 mel-1 Ca2+: 2.6 mel-1 Mg2+: 1.5 mel-1 Calculate the RSC (residual sodium carbonate) in the bore well waterSolution
RSC = [HCO3 + CO3] − [Ca + Mg]= (1.2+4.0)-(2.6+1.5)                            5.2-4.1=1.1 me/l
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