• 2022-07-26
    下列混合溶液中,能出现两个滴定突跃的是()
    A: HCl−HAc(pKa=4.74)
    B: HCl−HS(pKa1=6.96,pKa2=14.0)
    C: HCl−HCO(pKa1=1.22,pKa2=4.19)
    D: HCl−HPO(pKa1=2.12,pKa2=7.20,pKa3=12.36)
    E: HCl−HSO(pKa1=1.81,pKa2=6.91)