Răspuns:
Explicație:
0,75 kmoli HCl=750 moli HCl
n= m : M
m = n . M
m=750moli . 36,5g/moli=27375 g HCl= 27,375 kg HCl
44,8 m³ Cl2
n=44,8m3 : 22,4 m³/kmoli=2kmoli Cl2 =2000moli Cl2
MCl2=2.35,5=71-------> 71g/moli
m=2000moli .71 g/moli=142000g=142kg clor
