Ответ:
Fe+O2=Fe2O3
Fe2O3+H2O=Fe(OH)3
Fe(OH)3+H2SO4=Fe2(SO4)3+H2O
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Ответ:
Fe+O2=Fe2O3
Fe2O3+H2O=Fe(OH)3
Fe(OH)3+H2SO4=Fe2(SO4)3+H2O