Answer

Which of the following solutions is a good buffer system

A) a solution that is 0.10 M NaCl and 0.10 M HCl
B) a solution that is 0.10 M HCN and 0.10 M LiCN
C) a solution that is 0.10 M NaOH and 0.10 M HNO3
D) a solution that is 0.10 M HNO3 and 0.10 M NaNO3
E) a solution that is 0.10 M HCN and 0.10 M KBr


B