What is `[H^(+)]` in `mol//L` of a solution that is `0.20 M` in `CH_(3)COONa` and `0.1 M` in `CH_(3)COOH`? `K_(a)` for `CH_(3)COOH` is `1.8xx10^(-5)`?A. `3.5xx10^(-4)`B. `1.1xx10^(-5)`C. `1.8xx10^(-5)`D. `9.0xx10^(-6)`

What is `[H^(+)]` in `mol//L` of a solution that is `0.20 M` in `CH_(3

1.	What is `[H^(+)]` in `mol//L` of a solution that is `0.20 M` in `CH_(3)COONa` and `0.1 M` in `CH_(3)COOH`? `K_(a)` for `CH_(3)COOH` is `1.8xx10^(-5)`?A. `3.5xx10^(-4)`B. `1.1xx10^(-5)`C. `1.8xx10^(-5)`D. `9.0xx10^(-6)`
Answer» Correct Answer - D `pH=pK_(a)+log``([Conjugate base])/([Acid])` `= -log1.8xx10^(-5)+log``(0.2)/(0.1)=5.045` `:. [H^(+)]=9.0xx10^(-6)`

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What is `[H^(+)]` in `mol//L` of a solution that is `0.20 M` in `CH_(3)COONa` and `0.1 M` in `CH_(3)COOH`? `K_(a)` for `CH_(3)COOH` is `1.8xx10^(-5)`?A. `3.5xx10^(-4)`B. `1.1xx10^(-5)`C. `1.8xx10^(-5)`D. `9.0xx10^(-6)`

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