nC=2,412=0,2(mol)nC=2,412=0,2(mol)

nO2=4,832=0,15(mol)nO2=4,832=0,15(mol)

PTHH: C + O2 to→to→ CO2

Ban đầu: 0,2..........0,15.....................(mol)

Phản ứng: 0,15......0,15......................(mol)

Sau phản ứng: 0,05.......0........→.......0,15.(mol)

mCO2=0,15×44=6,6(g)