Ответ:
Fe + H2O + 1/2 O2 → FeO
FeO + 2 HCl → FeCl2 + H2O
FeCl2 + 2 NaOH → Fe (OH)2 + 2 NaCl
Fe (OH)2 + 2 HNO3 → Fe(NO3) 2 + 2 H2O
Fe(NO3) 2 + Na2S → FeS + 2 NaNO3
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Ответ:
Fe + H2O + 1/2 O2 → FeO
FeO + 2 HCl → FeCl2 + H2O
FeCl2 + 2 NaOH → Fe (OH)2 + 2 NaCl
Fe (OH)2 + 2 HNO3 → Fe(NO3) 2 + 2 H2O
Fe(NO3) 2 + Na2S → FeS + 2 NaNO3