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The conductivity of 0.001M acetic acid i...

The conductivity of 0.001M acetic acid is `4 times 10^-8 S//cm`. Calculate the dissociation constant of acetic acid, if molar conductivity at infinite dilution for acetic acid is 390 `S cm^2//mol`.

A

`81.78 xx 10^(-4)`

B

`81.78 xx 10^(-5)`

C

`18.78 xx 10^(-6)`

D

`18.78 xx 10^(-5)`

Text Solution

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The correct Answer is:
C
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