The conductivity of sodium Chloride at `298K` has been determine at different concentrations and the results are given below `:`
`{:(Concentration(M):,0.001,0.010,0.020,0.050,0.100),(10^(2)xxk(Sm^(-1)):,1.237,11.85,23.15,55.53,1.06.74):}`
Calculate `wedge_(m)` for all concentrations and draw a plot between `wedge_(m)` and `c^(1//2)`. Find the value of `wedge_(m)^(@)`.

Explanation

`(1" S "cm^(-1))/(100" S "m^(-1))=1` (unit convsertion factor)
`^^(@)=` intercept on `^^_(m)"axis"=124.0" S "mol^(-1)`, which is obtained by extrapolation to zero concentration.