September 2021 2 14 Report
Расставить коэффициенты, указать тип реакции
а) Al + O2 —> Al2O3


б) MnO2 + H2 —> Mn + H2O


в) H2O2 —> H2 + O2


г) HNO3 + Fe(OH)3 —> Fe(NO3)3 + H2O
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