51. Solving a chemistry problem

10. Calculate the volumetric charge density at the boundary of the diffuse layer of the dispersed phase according to the following data: =.0.03 V, the environment is an aqueous solution of KCl with a concentration of 3 * 10–4 mol / l, the relative permittivity of the medium is 80.1, the temperature is 293 K. What is the surface charge density due to the diffuse layer?