14. Solving a chemistry problem
📂 Coursework
👤 Derkach
Product Description
12. For the titration of Fe2 in a solution obtained from 0.2115 g of iron-containing ore, 21.56 ml of a KMnO4 solution with an oxygen titer of 0.000835 g/ml went. Calculate the mass fraction of Fe2O3 in the ore.
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