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Resistance of a conductivity cell filled...

Resistance of a conductivity cell filled with a solution of an electrolyte of concentration 0.1 M is `100Omega`. The conductivity of this solution
is 1.29 `S m^(-1)` . Resistance of the same cell when filled with 0.2 M of the same solution is `520Omega` . The molar conductivity of 0.2 M solution of the electrolyte will be :

A

`124 xx 10^(-4) S m^(2) mol^(-1)`

B

`1240 xx 10^(-4) S m^(2) mol^(-1)`

C

`1.24 xx 10^(-4) S m^(2) mol^(-1)`

D

`12.4 xx 10^(-4) S m^(2) mol^(-1)`

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The correct Answer is:
A
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