December 2021 0 12 Report
Расставьте степени окисления каждого химического элемента, коэффициенты, запишите электронный баланс химической реакции, определите процессы окисления и восстановления, какой элемент является окислителем, а какой восстановителем: KMnO4 + K2SO3 + KOH = K2SO4 + K2MnO4 + H2O
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