Ответ:
4. CO- C-II,O-II
SeCl2- Se-II,Cl-I
SO3- S-VI,O-II
P2O5- P-V,O-II
5. 2Ca+O2=2CaO
4Fe+3O2=2Fe2O3
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Answers & Comments
Ответ:
4. CO- C-II,O-II
SeCl2- Se-II,Cl-I
SO3- S-VI,O-II
P2O5- P-V,O-II
5. 2Ca+O2=2CaO
4Fe+3O2=2Fe2O3