August 2022 1 5 Report

P2O5+CuO->Cu3(PO4)2

P2O5+NaOH->H2O+Na3PO4

HCl+Mg->MgCl2+H2

Нужны признаки реакции, ее протекание.

Например пробирка нагрелась, жидкость преобрела лиловый оттенок и т.п.

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