Răspuns:
niu=V/Vm= 2,8 l/22,4 l/mol=0,125mol H2
1mol...........................................................................................................0,5mol
CH3-CH2-CH2-CH2OH+ Na----> CH3-CH2-CH2-CH2ONa + 1/2H2
x....................................................................................................................0,125mol
x=niu=0,25mol butanol
M,butanol=74g/mol
m=niuxM=0,25x74g=18,5g butanol
Explicație: