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A 0.0200 M acid is 30% dissociated. The ...

A 0.0200 M acid is 30% dissociated. The equilibrium constant `K_a` for the acid is :

A

`1.6xx10^(-3)`

B

`2.57xx10^(-3)`

C

`3.6xx10^(-3)`

D

`1.5xx10^(-3)`

Text Solution

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The correct Answer is:
b
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