A.0.001000mol/L B.0.01000mol/L C.0.1000mol/L D.1.000mol/L
A.消耗的HCl越少 B.消耗的HCl越多 C.滴定突跃范围越小 D.滴定突跃范围越大
A.0.1mol/L、HAc、pKa=4.74 B.0.1mol/L、NaAc、pKa=4.74 C.0.1mol/L、HCN、pKa(HAc)=4.74 D.0.1mol/L、NH4Cl、pKb(NH3)=4.75