137. Solving a chemistry problem
Determine what mass of cobalt will remain in the solution if 20 ml of a cobalt sulfate solution with an initial concentration of 0.050 mol / L was passed through a column filled with 5.0 g of a cation exchanger. The total dynamic capacity under separation conditions is 1.6 mmol / g (the molar mass of the equivalence factor is ½ M).
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