question_answer 25)

The conductivity of sodium chloride at 298 K has been determined at different concentration and the results are given below?

Concentration/M
0.001	1.237
0.010	11.85
0.020	23.15
0.050	55.53
0.100	106.74

Calculate for all concentrations and draw a plot between and c1/2. Find the value of  

Answer:

                   

Conc. (M)

       can be obtained on extrapolation to zero concentration along Y axis. It is 124.0 S cm2 mol?1.