Calculate the following quantities, given the data for conductivity = 1.3 S m¹ and transference number of an electrolyte t₊ = 0.4, in a separator of thickness 100 m. The initial concentration of the salt is 500 mol m³. a. Diffusion time constant. b. Limiting current. c. Potential drop at half of limiting current measured instantly after the start of the current flow. d. Potential drop at half of limiting current measured after a steady state is established.