Waec Model Questions Vol1 2025 Chemistry Question 1

Practice objective / multiple choice question 1 from the 2025 Waec Model Questions Vol1 Chemistry examination.

Waec Model Questions Vol1 2025 Chemistry Objective / Multiple Choice Medium Difficulty
Question 1 WAEC_MODEL_QUESTIONS_VOL1 • 2025 • CHEMISTRY • objective

A 25.0 mL sample of ferrous ammonium sulfate solution containing exactly 0.0200 mol of Fe²⁺ is titrated with a standard KMnO₄ solution in acidic medium. The titration requires 18.5 mL of the KMnO₄ solution. Using this information, calculate the mass of KMnO₄ present in a 250.0 mL bottle of the same solution. (Molar mass of KMnO₄ = 158.04 g mol⁻¹)

Answer Options

A. 10.2 g
B. 9.13 g
Correct Answer C. 8.54 g
D. 7.62 g
Correct Answer
C
Correct Option:
8.54 g

About This Question

This is Waec Model Questions Vol1 2025 Chemistry Question 1. It is a objective / multiple choice question from the 2025 Waec Model Questions Vol1 Chemistry examination.

Difficulty level: Medium .

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