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In Clarke’s process, the salts responsible for hardness get precipitated as
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Correct option is C
CaHCO32 and MgHCO32are responsible for temperorary hardness of water which are removed in Clarke's process;CaHCO32+ CaOH2 → CaCO3↓+H2O+CO2MgHCO32+ 2CaOH2 → CaCO3↓+MgOH2↓+H2O+CO2Ksp of MgOH2 < Ksp of MgCO3 ∴ MgOH2 is precipitated but not MgCO3Similar Questions
The molecular formula of a commercial resin used for exchanging ion in water softening is C8H7SO3 Na (mol. wt. = 206). What would be the minimum uptake of Ca2+ ions by the resin when expressed in mole per gram resin ?
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