A.加水; B.加NaAc; C.加NaOH; D.加0.1mol/LHCl溶液
A.緩沖溶液的PH值B.緩沖溶液的總濃度C.外加的酸量D.外加的堿量
A.100mL1mol/LHAc+100mL1mol/LNaOH; B.100mL1mol/LHCl+200ml2mol/LNH3〃H2O; C.200mL1mol/LNH4Cl+100mL1mol/LNH3〃H2O; D.100mL1mol/LNH4Cl+100mL1mol/LNH3〃H2O; E.100ml5mol/LNaOH+1ml0.1mol/LHCl