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Question
Calculate the quantity Of pure lime (70% pure) and soda (85% pure) required for softening of 100,000 Liters 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.
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