Slaked lime [Ca(OH)2] is used to soften hard water by removing calcium ions from hard water through
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Ca(OH)2(aq) + Ca2+(aq) + 2HCO3-(aq) → 2CaCO3(s) + 2H2O(l)
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CaCO 3 s Ca 2 aq CO 3 2 aq ...View the full answer
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