-calculez mmoli Co2
n(niu)=m/M=79,2mg/44mg/mmol=1,8mmol Co2---> 1,8mmolC
-calculez moliC din 1mol substanta
0,6mmol substanta.......................1,8mmolC
1mol................................................x= 3molC
SUBSTANTA ARE FORMULA MOLECULARA : C3H6O