Which of the Following Solutions Is a Good Buffer System

question 120

Multiple Choice

Which of the following solutions is a good buffer system?

• A) a solution that is 0.10 mol L^-1 NaCl and 0.10 mol L^-1 HCl
• B) a solution that is 0.10 mol L^-1 HCN and 0.10 mol L^-1 LiCN
• C) a solution that is 0.10 mol L^-1 NaOH and 0.10 mol L^-1 HNO₃
• D) a solution that is 0.10 mol L^-1 HNO₃ and 0.10 mol L^-1 KNO₃
• E) a solution that is 0.10 mol L^-1 HCN and 0.10 mol L^-1 NaCl