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Completati si egalati ecuatiile chimice:
Fe+....--->FeCl2
Na+Cl2--->....
N2+....--->NH3
Na2O+....--->NaOH


Răspuns :

2Fe + 3Cl2 --> 2FeCl3

2Na + Cl2 --> 2NaCl

N2 + 3H2 --> 2NH3

Na2O + H2O --> 2NaOH