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Answer to Question #260273 in Inorganic Chemistry for Smiles
Question #260273
- In some water softening operations, Mg2+ must be removed from solution along with Ca2+. What pH is required to lower TOT Mg to 10 mg/L as CaC03 by precipitation of Mg(OH)2(s)?
Expert's answer
10-8×10
= 10-7
Log 10-7=-7
14= pKa+pH
pH=14-7= 7
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