46. Solving a chemistry problem

8. Calculate the thickness of the diffusion ion layer λ on the surface of a solid plate placed in aqueous solutions containing an indifferent electrolyte KCl a) 10–5; b) 10–3; c) 10–1 mol/l., take the relative permittivity of solutions at 298K equal to 78.5. Plot ϕ/ϕe versus distance, which varies from λ to 5λ