45. Решение задачи по химии №004 567

A portion of potassium permanganate 1.8750 g was dissolved and the volume of the solution was adjusted with distilled water to 500.0 cm3. Calculate the normal concentration of the prepared solution when using it in the reactions: a) with the formation of Mn2; b) with the formation of Mn02. Give the corresponding half-reactions.

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