Предмет: Химия, автор: Dima11z

P2O5+___=Cl2O7+H3PO4

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Автор ответа: volova6472

2

Я НЕ ПОНИМАЮ НИЧЕГО, ТЫ ХОТЬ САМ ПОНЯЛ ЧТО НАПИСАЛ!?

Dima11z: Да что вместо пропуста нужно поставить

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