9. Solving a chemistry problem
📂 Coursework
👤 Derkach
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3. For the titration of Fe2 from a sample of 0.5082 g, consisting only of FeO and Fe2O3, 45.50 ml of a 0.1525 N solution of KMnO4 are consumed. What percentage of FeO and Fe2O3 is in the sample?
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