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The molar conductivity of 0.025 mol L^(-...

The molar conductivity of 0.025 mol `L^(-1)` methanoic acid is 46.1 S `cm^(2) mol^(-1)` . Calculate its dissociation constant.
(Given `lambda_(2(H^+)^@)=349.6` S `cm^2 mol^(-1)` and `lambda_("HCOO"^-)^@=54.6 S Cm^2 mol^(-1)` )

A

`3.14xx10^(-3)`

B

`3.67xx10^(-4)`

C

`4.15xx10^(-4)`

D

`5.21xx10^(-3)`

Text Solution

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The correct Answer is:
B
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