Fe + 2HCl = FeCL2 + H2
FeCl2 + 2NaOH = Fe(OH)2 + 2NaCl
Fe(OH)2 = FeO + H2O
FeO + 2HNO3 = Fe(NO3)2 + H2O
Отвт: (2)
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Fe + 2HCl = FeCL2 + H2
FeCl2 + 2NaOH = Fe(OH)2 + 2NaCl
Fe(OH)2 = FeO + H2O
FeO + 2HNO3 = Fe(NO3)2 + H2O
Отвт: (2)