ECUATIA generala a reactiei de ardere
CnH2n+2 + (3n+1)/2 O2---> nCO2 + (n+1) H2O
(14n+2)g.........(3n+1)/2x22,4l.......nx22,4 l
3,6g.........................V.........................5,6 l
(14n+2)/3,6= 22,4n/5,6..-------> n=5
V,O2= (3X5+1)/2X22,4 L=.......................calculeaza !!!!