14. Acids and Bases

Which one of the following combinations does not create a buffer?

Which of the following combinations can result in the formation of a buffer?

 Which of the following combinations can result in the formation of a buffer?

A buffer solution is comprised of 50.0 mL of a 0.100 M HC₂H₃O₂ and 60.0 mL of a 0.100 M NaC₂H₃O₂. Which of the following actions would completely destroy the buffer?