Waec Model Questions Vol1 2022 Chemistry Question 31
Practice objective / multiple choice question 31 from the 2022 Waec Model Questions Vol1 Chemistry examination.
Acetic acid (CH₃COOH) has a Ka of 1.8×10⁻⁵ at 25 °C. A buffer solution is prepared by mixing 0.025 mol of CH₃COOH and 0.015 mol of its sodium salt CH₃COONa in a total volume of 0.500 L. After the buffer is formed, 0.005 mol of HCl is added. Calculate the pH of the solution after the addition of HCl. Give your answer to two decimal places.
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About This Question
This is Waec Model Questions Vol1 2022 Chemistry Question 31. It is one of the objective questions from the 2022 Waec Model Questions Vol1 Chemistry examination.
Difficulty level: Medium .
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