August 2021 1 9 Report

Подберите коэффициенты в уравнении ОВР методом полуреакций, определите окислитель и восстановитель:
Cr2O3 +NaNO3 +KOH -->K2CrO4 +NaNO2+H2O ;
AgNO3 + PH3 +H2O -->Ag+ H3PO4 +HNO3.
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