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At 298 K, 0.1 M solution of acetic acid...

At 298 K, 0.1 M solution of acetic acid is `1.34 %` ionised . What is the ionisation constant `(K_(a))` for the acid ?

A

`1.82 xx 10^(-5)`

B

`18.2 xx 10^(-5)`

C

`0.182 xx 10^(-5)`

D

None of these

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A
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