An aqueous solution contains `0.10 M H_(2)S` and 0.20 M HCl. If the equilibrium constants for the formation of `HS^(–)` from `H_(2)S` is `1.0xx10^(–7)` and that of `S^(2-)` from `HS^(–)` ions is `1.2xx10^(–13)` then the concentration of `S^(2-)` ions in aqueous solution isA. `5xx10^(-19)`B. `5xx10^(-8)`C. `3xx10^(-20)`D. `6xx10^(-21)`

An aqueous solution contains `0.10 M H_(2)S` and 0.20 M HCl. If the eq

1.	An aqueous solution contains `0.10 M H_(2)S` and 0.20 M HCl. If the equilibrium constants for the formation of `HS^(–)` from `H_(2)S` is `1.0xx10^(–7)` and that of `S^(2-)` from `HS^(–)` ions is `1.2xx10^(–13)` then the concentration of `S^(2-)` ions in aqueous solution isA. `5xx10^(-19)`B. `5xx10^(-8)`C. `3xx10^(-20)`D. `6xx10^(-21)`
Answer» Correct Answer - C

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