10. Calculate the thickness of the diffuse ionic layer λ of particles of the dispersed phase at 293 K in aqueous solutions containing 110–4 mol/l of one of the following electrolytes: NaCl, CaCl2, MgSO4. Assuming that the relative permittivity of the solutions changes linearly from 87.8 to 69.7 with an increase in temperature from 273 to 323 K, plot the dependence of λ on T for the NaCl solution.

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