72. Solving a chemistry problem

72. Solving a chemistry problem

9. Calculate the thickness of the diffuse ion layer λ on the surface of the plate at 300 K in an aqueous solution, 1 liter of which contains 0.05 g of NaCl and Ba(NO3)2 (indifferent electrolytes). The relative permittivity of the solution is 76.5. How many times will λ change if the solution is diluted 4 times with pure water?

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