56. Solving a chemistry problem

56. Solving a chemistry problem

2. At what distance will the boundary of contact of a 0.1 mol / l solution of nickel sulfate with a solution of potassium sulfate move in a tube with a diameter of 1.5 cm if a current of 0.002 A was passed for 3 hours? The transfer number of the nickel ion is 0.404.

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