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Express the relation among cell constant...

Express the relation among cell constant , resistance of the solution in the cell and conductivity of the solution . How is molar conductivity of a solution related to its conductivity ?

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`k=(1)/(R)xx(l)/(A)`
Where `k=` specific conductivity in `ohm^(-1)cm^(-1)`
`R=` resistance
`(l)/(A)=` cell constant in `cm^(-1)` or `m^(-1)`
Where `^^_(m)=` molar conductivity ltbr. `^^_(m)` is directly proportional to specific conductivity.
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