The task of analytical chemistry 45

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Uploaded: 12.10.2017
Content: 45.doc (45 kB)

Description

A portion of 0,804 g of iron ore was dissolved in acid. Then the iron is restored to the state of oxidation +2 and gottitravel of 0.112 n KMnO4 solution) at a cost of 47.2 ml. Calculate the percentage content of Fe2O3 (mol. weight 160) in the ore.

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