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Ответ

Ответ дан
vikavojakova94

Ответ:

В уравнении не нужны коэффициенты, поэтому сумма равна 5

Объяснение:

1 KMnO4 + 1 PH3 = 1 H3PO4 + 1 MnO2+ 1 H2O

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