Exhibit 15-3 The Following Question(s) Pertain to a Solution Made by Combining

Exhibit 15-3
The following question(s) pertain to a solution made by combining benzoic acid and sodium benzoate. The final volume of the solution is 1.00 L and the initial concentrations of benzoic acid and sodium benzoate are 0.50 and 0.70 respectively.
Refer to Exhibit 15-3. Calculate the pH after the addition of 500 ml of 1.00 M HCl.

A) 0.175
B) 0.876
C) 3.48
D) 4.89
E) None of the above