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Equal volume of 0.1 M H(2)CO(3) (K(a(1))...

Equal volume of `0.1 M H_(2)CO_(3) (K_(a_(1)) = 10^(-7), K_(a_(2)) = 10^(-11))` and `0.1 M H_(2)S (K_(a_(1)) = 10^(-7), K_(a_(2)) = 10^(-14))` are mixed together. Calculate value of `pOH - pH` for resulting solution.

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