m( CnH2n) - 16.8
V( HBr)-6.72
Vm- 22.4
M(cnH2n) = 16.8*22.4/6.72=56
12x +2x = 56
14x=56
x=4
C4H8 - бутилен
m( CnH2n) - 16.8
V( HBr)-6.72
Vm- 22.4
M(cnH2n) = 16.8*22.4/6.72=56
12x +2x = 56
14x=56
x=4
C4H8 - бутилен