Explain what ph range would result in only mg

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A solution contains 0.10 M Ca2+ and 0.10 M Mg2+. What pH range would result in only Mg(OH)2 precipitating? Ksp for Ca(OH)2 is 6.5 ´ 10-6 and for Mg(OH)2 is 7.1 ´ 10-12.

A) 3.85 < pH < 9.82

B) 8.92 < pH < 11.91

C) 2.85 < pH < 8.81

D) 9.00 < pH < 13.00

E) 8.62 < pH < 11.61

Reference no: EM13175686

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