A certain buffer solution equals concentration of \( X^{-} \)and \( \mathrm{H} X . K_{b} \) for ...

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A certain buffer solution equals concentration of \( X^{-} \)and \( \mathrm{H} X . K_{b} \) for \( X^{-} \)is \( 10^{-10} \). The \( \mathrm{pH} \) of buffer is
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