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Solid `AgNO_(3)` is gradually added to a solution which is `0.01M` n `Cl^(-)` and `0.01 M` in `CO_(3)^(2-) K_(sp) AgCl=1.8xx10^(-10)` and `K_(sp)Ag_(2)CO_(3)=4xx10^(-12)` The minimum concentration of `Ag^(+)` required to start the precipation of `Ag_(2)CO_(3)` isA. `2xx10^(-5)M`B. `4xx10^(-10)M`C. `4xx10^(-5)M`D. `2xx10^(-10)M` |
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Answer» Correct Answer - A `[Ag^(+)]=sqrt((K_(sp)Ag_(2)CO_(3))/([CO_(3)^(2-)]))=sqrt((4xx10^(-12))/(10^(-2)))=2xx10^(-5)M` |
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