A Buffer Solution Maintains a Constant PH Level to a Certain

Multiple Choice

A buffer solution maintains a constant pH level to a certain extent when a strong acid such as HCl is added. Which of the following buffer solutions has the greatest buffering capacity to consume added HCl?

A) 0.5 M HC₂H₃O₂/0.5 M NaC₂H₃O₂
B) 1.0 M HC₂H₃O₂/0.5 M NaC₂H₃O₂
C) 1.0 M HC₂H₃O₂/1.5 M NaC₂H₃O₂
D) 1.5 M HC₂H₃O₂/1.0 M NaC₂H₃O₂
E) 1.5 M HC₂H₃O₂/0.5 M NaC₂H₃O₂