August 2021 0 28 Report
Составить уравнения следующих окислительно - восстановительных процессов: 1. KI + K2CrO4 + H2SO4 = I2 +Сr2(SO4)3 + K2SO4 + H2O
2. Ag +HNO3 (конц) = AgNO3 + NO2 + H2O
3. As + HNO3 = H3AsO4 +H2O + NO2
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