Waec Model Questions Vol1 2023 Chemistry Question 12
Practice objective / multiple choice question 12 from the 2023 Waec Model Questions Vol1 Chemistry examination.
A 2.00 g mixture of ethanol (C₂H₅OH, M = 46.07 g mol⁻¹) and isopropanol (C₃H₇OH, M = 60.10 g mol⁻¹) reacts with excess metallic sodium. The hydrogen gas liberated is collected over water at STP and occupies 420 mL. Determine the mass percent of ethanol in the original mixture. Give your answer to one decimal place.
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About This Question
This is Waec Model Questions Vol1 2023 Chemistry Question 12. It is one of the objective questions from the 2023 Waec Model Questions Vol1 Chemistry examination.
Difficulty level: Hard .
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