Waec Model Questions Vol1 2019 Chemistry Question 22

Practice objective / multiple choice question 22 from the 2019 Waec Model Questions Vol1 Chemistry examination.

Waec Model Questions Vol1 2019 Chemistry Objective / Multiple Choice Medium Difficulty
Question 22 WAEC_MODEL_QUESTIONS_VOL1 • 2019 • CHEMISTRY • objective

A buffer solution is prepared by dissolving 0.200 mol of acetic acid (CH₃COOH, Ka = 1.8×10⁻⁵) and 0.150 mol of sodium acetate in 1.00 L of water. After the buffer is formed, 0.0500 mol of NaOH is added. Calculate the pH of the solution after the addition of NaOH.

Answer Options

A. 5.12
B. 4.55
C. 4.30
Correct Answer D. 4.87
Correct Answer
D
Correct Option:
4.87

About This Question

This is Waec Model Questions Vol1 2019 Chemistry Question 22. It is a objective / multiple choice question from the 2019 Waec Model Questions Vol1 Chemistry examination.

Difficulty level: Medium .

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