下列各混合溶液。具有pH的缓冲能力的是()。
A: l00mL1mol/LHAc+100mL1mol/LNaOH
B: l00mL1mol/LHCl+200mL2mol/LNH3·H2O
C: 200mL1mol/LHAc+l00mL1mol/LNaOH
D: l00mL1mol/LNH4Cl+l00mL1mol/LNH3·H2O
A: l00mL1mol/LHAc+100mL1mol/LNaOH
B: l00mL1mol/LHCl+200mL2mol/LNH3·H2O
C: 200mL1mol/LHAc+l00mL1mol/LNaOH
D: l00mL1mol/LNH4Cl+l00mL1mol/LNH3·H2O
举一反三
- Which of the following mixtures can work as a buffer and has the strongest buffer capacity? A: 200 mL of 0.20 mol/L [img=77x22]1803a221d13ee32.png[/img] and 100 mL of 0.20 mol/L NaOH B: 200 mL of 0.10 mol/L [img=77x22]1803a221d13ee32.png[/img] and 200 mL of 0.10 mol/L NaOH C: 200 mL of 0.10 mol/L [img=77x22]1803a221d13ee32.png[/img] and 100 mL of 0.10 mol/L NaOH D: 200 mL of 0.10 mol/L [img=36x22]1803a221e9e372e.png[/img] and 200 mL of 0.10 mol/L HC1
- All of the following mixtures can function as a buffer solution, except A: equal volumes of 0.10 mol/L HAc and 0.10 mol/L NaAc B: 100 mL of 0.10 mol/L HAc and 50 mL of 0.10 mol/L NaOH C: 100 mL of 0.10 mol/L HAc and 100 mL of 0.10 mol/L NaOH D: 50 mL of 0.10 mol/L NH3 and 25 mL of 0.10 mol/L HC1
- 下列各混合溶液。具有pH的缓冲能力的是()。 A: l00mL1mol/LHAc+100mL1mol/LNaOH B: l00mL1mol/LHCl+200mL2mol/LNH3·H2O C: 200mL1mol/LHAc+l00mL1mol/LNaOH D: l00mL1mol/LNH4Cl+l00mL1mol/LNH3·H2O
- 下列能做缓冲溶液的是 A: 60 ml 0.1 mol/L HAc和30 ml 0.1 mol/L NaOH混合液 B: 60 ml 0.1 mol/L HAc和30 ml 0.2 mol/L NaOH混合液 C: 60 ml 0.1 mol/L HAc和30 ml 0.1 mol/L HCl混合液 D: 60 ml 0.1 mol/L HAc和30 ml 0.1 mol/L NH4Cl混合液
- 下列各组混合液中,能作为缓冲溶液的是（ ） A: 10 ml 0.2 mol/L HCl 和 10 ml 0.1 mol/L NaCl B: 10 ml 0.2 mol/L HAc 和 10 ml 0.1 mol/L NaOH C: 10 ml 0.2 mol/L HAc 和 10 ml 0.3 mol/L NaOH D: 10 ml 0.2 mol/L HCl 和 10 ml 0.2 mol/L NaOH