24. Решение задачки по химии №12016

3. Chromium contained in 1.87 g of technical chromite (FeO*Cr2O3) was oxidized to the hexavalent state (CrO42-). After acidification, 50 ml of 0.160 N Fe2+ solution was added to the solution, and 2.97 ml of 0.0500 N K2Cr2O7 solution was consumed. What is the % chromium content in the sample?

If you cannot open the file or have any problems, do not rush to leave a negative review! Contact me and I will quickly help you solve the problem. After purchasing, please leave a positive review of the product :)