81. Solving a chemistry problem

81. Solving a chemistry problem

14. 250.0 ml of 0.06 M copper sulfate was passed through a column filled with 10 g of the cation exchanger. 50.0 ml portions of the solution leaving the column were titrated with 0.1 N sodium thiosulfate solution and the following results were obtained:
Portion 1 2 3 4 5
VT , ml 0 12.0 25.0 39.2 39.2
Calculate the dynamic capacity (mol/g) of the cation exchanger for copper.

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