Post-UTME Chemistry 2011 Objective — Question 1
Question 1 of 10 from the Post-UTME Screening (Post-UTME) Chemistry 2011 Objective paper, with the correct answer and a full explanation.
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One mole of propane is mixed with five moles of oxygen. The mixture is ignited, what is the volume of the products at s.t.p?
- A. 112.0dm³
- B. 67.2dm³Correct
- C. 56.0dm³
- D. 44dm³
Explanation
C3H8+5O2→3CO2+4H2O. 1 mole propane gives 3 moles CO2; volume=3×22.4=67.2dm³.
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