Neco 2025 Chemistry Question 30
Practice objective / multiple choice question 30 from the 2025 Neco Chemistry examination.
A gaseous mixture containing propane (\(\text{C}_3\text{H}_8\)) and butane (\(\text{C}_4\text{H}_{10}\)) is burned completely in excess oxygen. The combustion produces \(3.60\) L of \(\text{CO}_2\) gas measured at STP, and the original gas mixture occupied \(1.00\) L at STP. Determine the mole fraction of butane in the original mixture.
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About This Question
This is Neco 2025 Chemistry Question 30. It is one of the objective questions from the 2025 Neco Chemistry examination.
Difficulty level: Medium .
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