1.uzupelnij brakujace indeksy stechiometryczne w cząsteczkach związków chemicznych :
a)Al...O...+6HCl==2 AlCl3+3H2O
b)3Fe...O...+CO==2Fe3O4+CO2
C)2 NO+O2=2N..O..
d)2C..H..+13O2==8CO+10H2O
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a) Al2O3+6HCl-->2AlCl3+3H2O
b) 3Fe2O3+CO-->2Fe3O4+CO2
c) 2NO+O2-->2NO2
d) 2C4H10+9O2-->8CO+10H2O
Al2O3+6HCl==2 AlCl3+3H2O
3Fe2O3+CO==2Fe3O4+CO2
2 NO+O2=2NO2
2C4H10+9O2==8CO+10H2O