Waec Model Questions Vol1 2025 Chemistry Question 1
Practice objective / multiple choice question 1 from the 2025 Waec Model Questions Vol1 Chemistry examination.
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)
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This is Waec Model Questions Vol1 2025 Chemistry Question 1. It is one of the objective questions from the 2025 Waec Model Questions Vol1 Chemistry examination.
Difficulty level: Medium .
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