Waec Model Questions Vol1 2023 Chemistry Question 27
Practice objective / multiple choice question 27 from the 2023 Waec Model Questions Vol1 Chemistry examination.
A buffer is prepared by dissolving 0.250 mol of acetic acid (CH₃COOH, Ka = 1.8 × 10⁻⁵) and 0.150 mol of sodium acetate (CH₃COONa) in 1.00 L of water. After the buffer is formed, 0.050 mol of HCl is added. Assuming complete reaction of HCl with the acetate ion, calculate the pH of the solution after the addition. Give your answer to two decimal places.
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This is Waec Model Questions Vol1 2023 Chemistry Question 27. It is one of the objective questions from the 2023 Waec Model Questions Vol1 Chemistry examination.
Difficulty level: Medium .
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