Question

calculate the activity of KCL ( given m = 0.02, r = 0.328 )​

Answer 1

Answer:

The specific conductivity of 0.02 M KCl solution at 25

∘

C is 2.768×10

−3

ohm

−1

cm

−1

. The resistance of this solution at 25

∘

C when measured with a particular cell was 250.2 ohm. The resistance of 0.01 M CuSO

4

solution at 25

∘

C measured with the same cell was 8331 ohm. Calculate the molar conductivity of the copper sulphate solution.