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80 mL of water sample contains 0.162 g Ca(HCO3)2 and 0.146 g Mg(HCO3)2. The hardness of water expressed in term of CaCO3 is: (Given : molar mass of Ca(HCO3)2 and Mg(HCO3)2 are 162 and 146 g/mol respectively. ) |
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Answer» 80 mL of water sample contains 0.162 g Ca(HCO3)2 and 0.146 g Mg(HCO3)2. The hardness of water expressed in term of CaCO3 is: (Given : molar mass of Ca(HCO3)2 and Mg(HCO3)2 are 162 and 146 g/mol respectively. ) |
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