Răspuns:
1mol................1mol
C + O2 → CO2
3moli....................xmoli
x=3×1/1= 3 moli CO2
MC=12g/mol
MCO2=12+2×16=44g/mol
n=m/M
m=n×M=3×12=36g
12g.......................44g
C + O2 → CO2
36g.....................yg
y=36×44/12=132g CO2
Explicație: