Поставьте коэффициенты в уравнении
Fe +Cl2 =FeCl3
Ag +S = Ag2S
Hg + O2= HgO
Al + S = Al2O3
Na+Cl2= NaCl
Fe +Cl2 =FeCl3
Ag +S = Ag2S
Hg + O2= HgO
Al + S = Al2O3
Na+Cl2= NaCl
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Answers & Comments
2Fe +3Cl2 =2FeCl3
2Ag +S = Ag2S
2Hg + O2= 2HgO
2Al + 3S = Al2S3
2Na+Cl2= 2NaCl