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H(2)S is passed into one dm^(3) of a sol...

`H_(2)S` is passed into one `dm^(3)` of a solution containing 0.1 mole of `Zn^(2+)` and 0.1 mole of the `Cu^(2+)` till the sulphide ion concentration reaches `8.1 xx 10^(-10)` moles. Which one of the following statements is true? `[K_(sp)` of ZnS and CuS are `3 xx 10^(-22)` and `8 xx 10^(-36)` respectively]

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H_(2)S is passed into one dm^(3) of a solution containing 0.1 mole of Zn^(2+) and 0.01 mole of Cu^(2+) till the sulphide ion concentration reaches 8.1xx10^(-19) moles .Which one of the following statements is true? [ K_(sp) of ZnS and CuS are 3xx10^(-22) and 8xx10^(-36) respectively]

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