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The equivalent conductance of (M)/(32) s...

The equivalent conductance of `(M)/(32)` solution of a weak monobasic acid is 8.0 mho `cm^(2)` and at infinite dilution is 400 mho `cm^(2)`. The dissociation constant of this acid is

A

`1.25xx10^(-6)`

B

`6.25xx10^(-54)`

C

`1.25xx10^(-4)`

D

`1.25xx10^(-5)`

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