m(HCl)=1000*31%=310kg m(Cl2)=310*35.5/36.5=302kg V(Cl2)22.4*302/71=95.1m3 c(31%HCl)=1000*31%*1.15/36.5=9.77mol/L V(31%HCl)=100*2/9.77=20.5mL
