Очень срочно
Fe-->FeCl3-->.....-->.....-->Fe-->FeCl2
Что поставить вместо точек
2Fe+3Cl2=2FeCl3
FeCl3+3KOH=Fe(OH)3+3KCl
2Fe(OH)3=Fe2O3+3H2O
Fe2O3+3CO=2Fe+3CO2
Fe+2HCl=FeCl2+H2.
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Answers & Comments
2Fe+3Cl2=2FeCl3
FeCl3+3KOH=Fe(OH)3+3KCl
2Fe(OH)3=Fe2O3+3H2O
Fe2O3+3CO=2Fe+3CO2
Fe+2HCl=FeCl2+H2.
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