If 20 ML of 0

question 74

Multiple Choice

If 20 mL of 0.10 M NaOH is added to 40 mL of 0.20 M HC₂H₃O₂,what is the pH of the resulting solution at 25°C? K_a for HC₂H₃O₂ is 1.8 × 10^-5 at 25°C.

• A) 9.8
• B) 4.1
• C) 5.2
• D) 2.7
• E) 4.3

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