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asked in NEET by (15 points)

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The pH of Mg2+ will be 9.


The dissociation equilibrium for magnesium hydroxide is:

We know that Ksp= [Mg2+]⋅[OH]2 , so

Also, pOH = −log( [OH])
pOH = −log(10−5) = 5
Thus, pH = 14 - 5 = 9

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