Dano:
m(Al)=3g
V(O2)-?
4Al+3O2=2Al2O3
n(Al)=3g/27g/mol
n(Al)=0.1mol
n(O2)=0.1*3/4=0.075mol
V(O2)=0.075mol*22.4l/mol=1.68l
Dano:
m(Al)=3g
V(O2)-?
4Al+3O2=2Al2O3
n(Al)=3g/27g/mol
n(Al)=0.1mol
n(O2)=0.1*3/4=0.075mol
V(O2)=0.075mol*22.4l/mol=1.68l