ПОМОГИТЕ!!!!!!! Осуществите превращения по схеме: Fe → Fe3O4 → Fe → FeCl3 → Fe(OH)3 → FeCl3
Fe → Fe3O4 → Fe → FeCl3 → Fe(OH)3 → FeCl3
1/ 3Fe+2O2=Fe3O4
2/ Fe3O4+4H2=3Fe+4H2O
3/ 2Fe+3Cl2=2FeCl3
4/ FeCl3+3NaOH=Fe(OH)3+3NaCL
5/ 2Fe(OH)3=Fe2O3+3H2O
1.) 3Fe+2O2=Fe3O42.) Fe3O4+4H2=3Fe+4H2O3.) 2Fe+3Cl2=2FeCl34.) FeCl3+3NaOH=Fe(OH)3+3NaCL5.) Fe(OH)3 + 3HCl = FeCl3 + 3H2O
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Fe → Fe3O4 → Fe → FeCl3 → Fe(OH)3 → FeCl3
1/ 3Fe+2O2=Fe3O4
2/ Fe3O4+4H2=3Fe+4H2O
3/ 2Fe+3Cl2=2FeCl3
4/ FeCl3+3NaOH=Fe(OH)3+3NaCL
5/ 2Fe(OH)3=Fe2O3+3H2O
1.) 3Fe+2O2=Fe3O4
2.) Fe3O4+4H2=3Fe+4H2O
3.) 2Fe+3Cl2=2FeCl3
4.) FeCl3+3NaOH=Fe(OH)3+3NaCL
5.) Fe(OH)3 + 3HCl = FeCl3 + 3H2O