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If a solution is 0.1M with respect to H(...

If a solution is `0.1M` with respect to `H_(2)S` and `0.5M` with respect to HCI then the concetration of `[S^(2-)]` in the solution is `x xx 10^(-22)M`.Find the value of x.
Given : `{:(K_(a_(1)) = 10^(-7)),(K_(a_(2)) = 10^(-14)):}]H_(2)S`

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