(1)将标准状况下的a L HCl(g)溶于1 L水中,得到的盐酸密度为b g/cm3,则求该盐

1个回答

  • (1) n(HCl)=a/22.4 mol V(溶液)=m(溶液)/溶液密度=(a/22.4+1000×1) / b

    C(HCl)=a/22.4 / [(36.5×a/22.4+1000×1) / b]= ab/(36.5a+22400) mol/L

    (2) A C1(Na+)=0.2mol/L C2(Na+)=0.1mol/L

    B C1(Na+)=0.1mol/L C2(Na+)=0.1mol/L

    C C1(Na+)=1 mol/L C2(Na+)=0.1mol/L

    D C1(H+)=2mol/L C2(H+)=1mol/L

    选B