38. Решение задачи по химии №003 857

66. Coulometric titration of KMnO4 with electrically generated Fe2 ions used a current of 150 mA. The equivalence point when titrating 3.5 ml of the studied KMnO4 solution is reached in 2 min 13 s. Determine the equivalent concentration (normality) of the KMnO4 solution.

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