Объяснение:
2Fe+O2=2FeO
FeO+2HCl=FeCl2+H2
FeCl2+2NaOH=Fe(OH)2+2NaCl
Fe(OH)2-> FeO+H2O
3FeO+2H3PO4=Fe3(PO4)2+3H2O
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Объяснение:
2Fe+O2=2FeO
FeO+2HCl=FeCl2+H2
FeCl2+2NaOH=Fe(OH)2+2NaCl
Fe(OH)2-> FeO+H2O
3FeO+2H3PO4=Fe3(PO4)2+3H2O