29. Решение задачи по химии №002 971

3. How many ml of a 1.00 N solution of K2Cr2O7 must be added to 1300 ml of a solution of K2Cr2O7 with an iron titer of 0.0045 g/ml to obtain a solution with an iron titer of 0.0050 g/ml? (1/z=1/1).

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