Explain what concentration of hydroxide ions

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A solution contains 0.22 M CaCl2 and 0.12 M MgCl2. What concentration of hydroxide ions would be required to separate the magnesium as Mg(OH)2 without precipitating the calcium as Ca(OH)2?

Mg(OH)2 will precipitate and Ca(OH)2 will not precipitate if........M < [OH-] <.........

Reference no: EM13171356

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