20. Solving a chemistry problem

1. When removing the current-voltage curve of a solution at 25 C. containing an unknown ion, the following data were obtained. Construct a graphical dependence corresponding to the polarographic wave equation and determine the value of the limiting diffusion current, the number of electrons involved in the electrode process and the half-wave potential.
Option 9
-E. B 0.248 0.325 0.375 0.430 0.487 0.575 0.675 0.750;
I. μA 1.48 2.00 3.51 10.0 22.7 29.8 30.0 30.1.