Waec Model Questions Vol1 2018 Chemistry Question 46
Practice objective / multiple choice question 46 from the 2018 Waec Model Questions Vol1 Chemistry examination.
A 2.00 g sample of a solid substance A sublimates completely at 120 °C under 1 atm. When heated at 80 °C in a sealed 5.0 L container, 0.5 g of solid B is formed and the remainder of A sublimates. The molar mass of A is 80 g mol⁻¹. Assuming the vapour of A behaves as an ideal gas, calculate the vapour pressure of A at 80 °C (in atm).
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About This Question
This is Waec Model Questions Vol1 2018 Chemistry Question 46. It is one of the objective questions from the 2018 Waec Model Questions Vol1 Chemistry examination.
Difficulty level: Medium .
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