Solutions of Sodium Salts of the Acids in the Following

Multiple Choice

Solutions of sodium salts of the acids in the following table are prepared with an initial concentration of 0.500 M. Which solution will have the highest pH and be the least acidic? $$\begin{array} { c c } \text { Acid } & \mathbf { p } K _ { \mathbf { a } } \\\text { HA } & 4.00 \\\text { HB } & 7.00 \\\text { HC } & 10.00 \\\text { HD } & 11.00\end{array}$$

A) NaA
B) NaB
C) NaC
D) NaD
E) All will have the same pH because the concentrations are the same.