July 2022 1 9 Report
Закончите уравнения химических реакций, методом электронного баланса расставьте коэффициенты, укажите процессы окисления и восстановления, окислитель и видновники:


Cu + HNO3 (конц.)


Cu + HNO3 (разбили.)


Cu + H2SO4 (конц.)
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