Fe2O3 +3 H2 =2 Fe +3 H2O
Fe(+3) +3e = Fe(0) 2 ок-ль
H2(0) -2e = 2H(+) 3 в-ль
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Fe2O3 +3 H2 =2 Fe +3 H2O
Fe(+3) +3e = Fe(0) 2 ок-ль
H2(0) -2e = 2H(+) 3 в-ль