If the PK_a of HCHO₂ Is 3

Multiple Choice

If the pK_a of HCHO₂ is 3.74 and the pH of an HCHO₂/NaCHO₂ solution is 3.89,which of the following is true?

A) [HCHO₂] < [NaCHO₂]
B) [HCHO₂] = [NaCHO₂]
C) [HCHO₂] > [NaCHO₂]
D) [HCHO₂] >> [NaCHO₂]
E) It is not possible to make a buffer of this pH from HCHO₂ and NaCHO₂.