September 2018 2 19 Report

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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