M,C4H8= 56g/mol
n(niu)= m/M= 112g/56g/mol= 2mol
1mol....................4mol
C4H8 + 6O2---> 4CO2 + 4H2O
2mol.........................8molCO2
V= nxVm= 8molx22,4l/mol=............................calculeaza !!!
CH2=C(CH3)-CH2-CH3 + HCl----> CH3-(CL)C(CH3)-CH2-CH3....reactie de aditie cu regula lui Markovnikov