a)FeO+Fe2O3=>Fe3O4
Fe2(SO4)3+3BaCl2=>3BaSO4+2FeCl3
Fe(OH)3+3HNO3=>Fe(NO3)3+3H2O
б)4Fe+3O2=>2Fe2O3
Fe2O3+Li2O=>2LiFeO2
FeCl3+3NH4OH=>Fe(OH)3+3NH4Cl
Fe+2HCl=>FeCl2+H2
2FeCl2+Cl2=>2FeCl3
FeCl3+3NaOH=>Fe(OH)3+3NaCl
2Fe(OH)3+3H2SO4=>Fe2(SO4)3+6H2K
Fe2(SO4)3+2Na3PO4=>3Na2SO4+2FePO4
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Answers & Comments
a)FeO+Fe2O3=>Fe3O4
Fe2(SO4)3+3BaCl2=>3BaSO4+2FeCl3
Fe(OH)3+3HNO3=>Fe(NO3)3+3H2O
б)4Fe+3O2=>2Fe2O3
Fe2O3+Li2O=>2LiFeO2
FeCl3+3NH4OH=>Fe(OH)3+3NH4Cl
Fe+2HCl=>FeCl2+H2
2FeCl2+Cl2=>2FeCl3
FeCl3+3NaOH=>Fe(OH)3+3NaCl
2Fe(OH)3+3H2SO4=>Fe2(SO4)3+6H2K
Fe2(SO4)3+2Na3PO4=>3Na2SO4+2FePO4