126. Solving a chemistry problem
📂 Coursework
👤 Derkach
Product Description
What weighed portion of ore containing about 70% Fe2O3 should be taken for analysis so that after appropriate treatment, 20-30 ml of KMnO4 with С(1/5KMnO)=0.100 mol/l would flow during Fe2+ titration?
Additional Information
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