A.NH4Ac B.NaCN C.NaAc D.HCN
A.NH3和H2O B.NH3和OH- C.NH4+和OH- D.H2O和NH4+
A.25ml0.10mol•L-1HAc與25ml0.05mol•L-1NaAc的混合溶液 B.25ml0.20mol•L-1HAc與25ml0.01mol•L-1NaOH的混合溶液 C.25ml0.10mol•L-1NaOH與25ml0.20mol•L-1HAc的混合溶液 D.25ml0.01mol•L-1NaOH與25ml0.005mol•L-1HAc的混合溶液