Răspuns:
miu,C6H6=78g/mol=78kg/kmol
niu=m/miu= 702/78 kmol=9kmol C6H6
\
C6H6+ Cl2---> C6H5Cl+HCl ori a kmol
C6H6+2Cl2--> C6H4Cl2+2HCl ori b kmol
a+b=9
a/b=1/4
a= 1,8kmol b= 7,2kmol
niu.Cl2=a+2b=16,2kmol
V= niuxVm= 16,2kmolx22,4m³/kmol=362,88m³
Explicație: