63 Задачка по химии №06 381

180. Among the compounds - FeSO4, H2O2, NaNO2, CuSO4, Na2C2O4 - choose a substance whose content can be determined by the reverse version of permanganometric titration. Write the reaction equations, fe (x), Me (x) of the analyte and the formula for calculating Q (x) (g).

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