Waec Model Questions Vol1 2018 Chemistry Question 18
Practice objective / multiple choice question 18 from the 2018 Waec Model Questions Vol1 Chemistry examination.
In the laboratory apparatus shown, hydrogen gas is collected over water. The gas syringe reads a volume of 250 mL at 27 °C. The atmospheric pressure is 760 mmHg and the water‑vapour pressure at 27 °C is 23.8 mmHg. Calculate the amount (in moles) of hydrogen gas collected.
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About This Question
This is Waec Model Questions Vol1 2018 Chemistry Question 18. It is one of the objective questions from the 2018 Waec Model Questions Vol1 Chemistry examination.
Difficulty level: Medium .
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