решите уравнения
Zn+O2---- ZnO
Na+Cl2 --- NaCl
H2O----- H2+O2
2Na+ Cl2=2NaC
2Zn+O2=2ZnO
2H2O=2H2+O2
Вроде так)
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2Na+ Cl2=2NaC
2Zn+O2=2ZnO
2H2O=2H2+O2
2Na+ Cl2=2NaC
2Zn+O2=2ZnO
2H2O=2H2+O2
Вроде так)