104. Solving a chemistry problem
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104. Solving a chemistry problem
36. What current must be set to transfer 200 ml of an electrolyte solution through a porous membrane for 30 minutes, if the electrokinetic potential of the membrane surface is 0.1 V; medium viscosity 10-3 Pa•s; specific electrical conductivity of the solution in the pores of the membrane 1.2·10-2 S/m; relative permittivity of the medium 82.7.
Directions: The electrical constant is 8.85 x 10-12 F/m.
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