Which of the following solutions is a good buffer system?

[APUS57]

Question 1

Which of the following solutions represents a good buffer system?
◦ a solution that is 0.10 mol L-1 NaOH and 0.10 mol L-1 KOH
◦ a solution that is 0.10 mol L-1 HCl and 0.10 mol L-1 KCl
◦ a solution that is 0.10 mol L-1 CH3COOH and 0.10 mol L-1 CH3COOLi
◦ a solution that is 0.10 mol L-1 HF and 0.10 mol L-1 CH3COONa
◦ a solution that is 0.10 mol L-1 HCl and 0.10 mol L-1 NH4+

Question 2

Which of the following solutions is a good buffer system?
◦ a solution that is 0.10 mol L-1 HCN and 0.10 mol L-1 LiCN
◦ a solution that is 0.10 mol L-1 HCN and 0.10 mol L-1 NaCl
◦ a solution that is 0.10 mol L-1 NaOH and 0.10 mol L-1 HNO3
◦ a solution that is 0.10 mol L-1 NaCl and 0.10 mol L-1 HCl
◦ a solution that is 0.10 mol L-1 HNO3 and 0.10 mol L-1 KNO3

[tsternbergh47]

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[APUS57]

Wow, this really help

[connor417]

Thanks for the timely response, appreciate it