pH of milk of magnesia

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Apr 1st, 2015

MgOH <===> Mg 2+ + OH¯

Ksp = [Mg2+] [OH¯]

5.6 x 10^-12= (2x)(x)

x = 1.7 x 10^-6 M (this is the [OH¯])

pOH = - log [OH¯] = - log  1.7 x 10^-6 = 1


Mar 31st, 2015

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