Răspuns:
miu,C5H10=70g/mol
niu=m/miu=140g/70g/mol=2mol C5H1O
1mol.........................................1mol
CH2=CH-CH2-CH2-CH3 + H2---> CH3-CH2-CH2-CH2-CH3
2mol..............................................x
x=niu=2molH2
V=niuxVm=2X22,4 L=44,8L H2
Explicație: