Ответ:
SO2+Fe(HO)2=Fe(OH)2SO2
Fe+ZnSO4=Fe(SO4)3+3H2S
Fe2O3+3H2SO4=Fe2(SO4)3+3H2O
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Ответ:
SO2+Fe(HO)2=Fe(OH)2SO2
Fe+ZnSO4=Fe(SO4)3+3H2S
Fe2O3+3H2SO4=Fe2(SO4)3+3H2O