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What is [H^(+)] in mol//L of a solution ...

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

`3.5 xx 10^(-4)`

B

`1.1 xx 10^(-5)`

C

`1.8 xx 10^(-5)`

D

`9.0 xx 10^(-6)`

Text Solution

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The correct Answer is:
D
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