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The acid ionization (hydrolysis) constan...

The acid ionization (hydrolysis) constant of `Zn^(2+)" is "1.0 xx 10^(-9)`
Calculate the pH of a 0.001 M solution of ZnCl2

Text Solution

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`Zn^(2+) +H_(2)O hArr [ Zn(OH)^(+)] + H^(+) , " " K_(n) = 1 xx10^(-9) `
` [H^(+)] = Ch = C sqrt(K_(n)/C) = sqrt(K_(h.C))`
`sqrt(10^(-9)xx0.001) = 10^(-6)`
` :. pH = 6 `
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