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The H^(+) ion concentration in 0.001 M...

The `H^(+)` ion concentration in `0.001 M CH_(3)CO_(2)H (K_(a) = 1.8 xx10^(-5))` is `1.34 xx10^(-4)` g ion /L . The `H^(+)` ion concentration if `0.164` g of `CH_(3)CO_(2)Na ` is added to one litre of `0.001 M CH_(3)CO_(2)H` will be

A

`9 xx10^(-6)`

B

`18 xx10^(-5)`

C

`4.5 xx10^(-8)`

D

`5xx10^(-5)`

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