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In an attempted determination of the sol...

In an attempted determination of the solubility product constant of `Tl_2S`, the solubility of this compound in pure `CO_2` free water was determined as `6.3xx10^-6` mol/litre. Assume that the dissolved sulfide hydrolysis almost completely to `HS^-` and that the further hydrolysis to `H_2S` can be neglected. What is the solubility product of `Tl_2S`. `K_2` of `H_2S=1xx10^-14`.

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