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Автор - pat141

KMnO4-O2-P2O5-H2O
ланцюг перетворення

Ответ

Автор - Alhimica
2KMnO4 (t) =K2MnO4+O2+MnO2
5O2+4P=2P2O5
P2O5+6NaOH=2Na3PO4+3H2O

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