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The pH at which Mg(OH)2 begins to precipitate from a solution containing 0.10M Mg^2+ ions [Kp of

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The pH at which Mg(OH)2 begins to precipitate from a solution containing 0.10M Mg2+ ions [Kp of Mg(OH)2 = 1 x 10–11] is 

(a) 5

(b) 9 

(c) 4 

(d) 10. 

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1 Answer

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Best answer

 Correct option (b) 9 

 Explanation:

When Mg(OH)2 starts precipitation, then 

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