October 2021 0 7 Report
КТО ПОНИМАЕТ ХИМИЮ,БУДЬТЕ ДОБРЫ ПОДСКАЖИТЕ КАК РЕШАТЬ? 1) Закончите уравнение реакции, составьте электронный баланс, укажите окислитель и восстановитель, расставьте коэффициенты:
Zn + H2SO4 à H2S + … + …
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