Waec Model Questions Vol1 2023 Chemistry Question 33

Practice objective / multiple choice question 33 from the 2023 Waec Model Questions Vol1 Chemistry examination.

Waec Model Questions Vol1 2023 Chemistry Objective / Multiple Choice Medium Difficulty
Question 33 WAEC_MODEL_QUESTIONS_VOL1 • 2023 • CHEMISTRY • objective

A solution is prepared by dissolving 0.50 g of acetic acid (M = 60.05 g mol⁻¹) and 0.30 g of sodium acetate (M = 82.03 g mol⁻¹) in 250.0 mL of water at 25 °C. Given Ka for acetic acid = 1.8 × 10⁻⁵, calculate the pH of the solution.

Answer Options

A. 4.02
Correct Answer B. 4.39
C. 5.12
D. 3.78
Correct Answer
B
Correct Option:
4.39

About This Question

This is Waec Model Questions Vol1 2023 Chemistry Question 33. It is one of the objective questions from the 2023 Waec Model Questions Vol1 Chemistry examination.

Difficulty level: Medium .

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