浓盐酸质量浓度是37％，密度1.19g/mLpH=3.2则C(H+）=10^(-3.2)=6.31X10^(-4)mol/Lm(HCl)=n(HCl)*M(HCl)=n(H+)*M(HCl)=C(H+）*V(H+)*M(HCl)=6.31X10^(-4)*[100X10^3/1.0*10^(-3)]*36.5==2.3V(HCl)=m(HCl)/p=2.3/1.19=1.93mL
