October 2021 0 7 Report
Господа химики! Кто не спит еще! Помогите пожалуйста!
Уравняйте следующие реакции. Указать окислитель и восстановитель:
1. K2Cr2O7 + SO2 + H2SO4 = Cr2(SO4)3 + K2SO4 + H2O
2. K2MnO4 + H2O = MnO2 + KMnO4 + KOH
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