December 2021 0 2 Report
Помогите срочно!!!!! Вот пример выполнения:
P--->P2O5--->H3PO4
1) 4P+5O2=P2O5
2) P2O5+3H2O=2H3PO4
Задание на фото.
Заранее огромное спасибо!!!
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