6. Solving a chemistry problem

513. The following table gives the values of the limiting molar conductivity of some ions. Calculate for them the values of electrical mobility and drift velocity in a cell in which the electrodes are located at a distance of 5.00 cm from each other and have a potential difference of 2.00 V.
Ion Na Ca La Br SO42- P2O74-
λ0 Ch104, cm*m2*mol-1 50.10 119.0 209.1 78.14 160.04 383.6