99. Решение задачки по химии №009 952

116. Tasks 111-120 have the same task: write molecular equations and electronic balance equations for oxidation-reduction reactions. Arrange the coefficients in the molecular equation and indicate the oxidizing agent and reducing agent, which substance is oxidized and which is reduced.
a) FeSO4 K2Cr2O7 H2SO4 = 6) KCIO H2SO4 =

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