You Wish to Prepare an HC₂H₃O₂ Buffer with a PH

Multiple Choice

You wish to prepare an HC₂H₃O₂ buffer with a pH of 5.44.If the pK_a of is 4.74,what ratio of
C₂H₃O₂^-/HC₂H₃O₂ must you use?

A) 0.70
B) 0.20
C) 1.4
D) 5.0
E) 1.1