Question

Q.
Calulate the amount of lime and soda required for softening 50,000 litre of hard water containing Ca(CaCO3)2 = 8.1mg; Mg(HCO3)2 = 7.5mg, CaSO4 13.6mg; MgSO4 = 12 mg ;MgCl2 = 2 mg ; NaCl = 4.7mg
{ Molecular weights :
Ca(HCO3)2 = 162; Mg(HCO3)2 = 146, CaSO4 = 136 ; MgSO4 = 120; MgCl2=95 }​

Answer 1

Answer:

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