A Handbook States That to Prepare a Particular Buffer Solution

question 72

Multiple Choice

A handbook states that to prepare a particular buffer solution mix 63.0 mL of 0.200 M HC₂H₃O₂ with 37.0 mL of 0.200 M NaC₂H₃O₂. What is the pH of this buffer? (Ka = 1.8 × 10^-5)

• A) 4.74
• B) 4.51
• C) 4.98
• D) 5.33
• E) 7.00