41. Solving a chemistry problem
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684. 2 liters of water contains 3 g of calcium bicarbonate, 0.29 g of magnesium bicarbonate and 1.4 g of calcium sulfate. How much sodium soap (salt of stearic acid) will be overused due to hardness when using 1000 liters of water? The formation of calcium (or magnesium) soap proceeds by the reaction:
2С17Н35СООНa Ca(HCO3)2 (С17Н35СОО)2Са 2NaHCO3
2С17Н35СООНa Ca(HCO3)2 (С17Н35СОО)2Са 2NaHCO3
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