9. Решение задачи по химии №001 000

3. A portion of ammonium oxalate (NH4)2C2O4 weighing 0.7847 g was dissolved in water. The volume of the solution was adjusted to 250 ml. What volume of 0.05 N KMnO4 solution will be used to titrate 20 ml of the resulting ammonium oxalate solution?

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