Two Buffer Solutions Are Prepared Using Acetic Acid and Sodium

Multiple Choice

Two buffer solutions are prepared using acetic acid and sodium acetate. Solution A contains 20.0 g of acetic acid (CH₃COOH) and 5.0 g of sodium acetate CH₃COONa) . Solution B contains 10.0 g of acetic acid and 25.0 g of sodium acetate. What is the difference between the pH values of these two solutions? For acetic acid, K_a = 1.8 × 10^-5.

A) 0.0
B) 1.0
C) 2.0
D) 2.3
E) 4.6