A Buffer Is Prepared by Adding 300

Multiple Choice

A buffer is prepared by adding 300.0 mL of 2.0 M NaOH to 500.0 mL of 2.0 M CH₃COOH. What is the pH of this buffer? K_a = 1.8 * 10¯⁵

A) 4.57
B) 4.52
C) 4.87
D) 4.92
E) 4.97