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The resistance of a 0.5 N solution of sa...

The resistance of a 0.5 N solution of salt is 20 `Omega` .Calculate the equivalent conductance of the solution if the platinum electrodes are 1.5 cm apart and each having an area of `3.0cm^(2)` .

Text Solution

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Conductivity `k=(1)/(p)=(1)/(R )(l)/(A)=1/20xx1.5/3.0xx1/40`
Equivalent conductance `wedge_(eq)=(kxx1000)/(0.5)=1/40 xx1000/0.5=50 s cm^(2) eq^(-1)`
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