Waec Model Questions Vol1 2023 Chemistry Question 5
Practice objective / multiple choice question 5 from the 2023 Waec Model Questions Vol1 Chemistry examination.
A 7.00 g sample of an unknown hydrocarbon is burnt completely in excess O₂. The combustion produces 22.0 g of CO₂ and 9.00 g of H₂O. The hydrocarbon contains only carbon and hydrogen and is known to be an alkane with a molar mass less than 100 g·mol⁻¹. Determine its molecular formula.
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About This Question
This is Waec Model Questions Vol1 2023 Chemistry Question 5. It is one of the objective questions from the 2023 Waec Model Questions Vol1 Chemistry examination.
Difficulty level: Hard .
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