August 2022 2 1 Report
Коэффициентами в уравнение : KMnO4+K2SO3+H2O = MnO2+K2SO4+KOH
1)2, 3, 1, 2, 3, 2
2)1, 3, 2, 3, 1, 1
3)2, 1, 2, 2, 3
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