Gce Model Questions Vol1 2020 Chemistry Question 4
Practice objective / multiple choice question 4 from the 2020 Gce Model Questions Vol1 Chemistry examination.
A gas‑evolution experiment is set up using the classic gas‑over‑water apparatus shown in the diagram. The graduated cylinder (inverted) reads a volume of 125 mL of gas collected at 25 °C. Atmospheric pressure is 760 mm Hg and the vapour pressure of water at 25 °C is 23.8 mm Hg. Calculate the number of moles of dry gas collected (to two significant figures).
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About This Question
This is Gce Model Questions Vol1 2020 Chemistry Question 4. It is one of the objective questions from the 2020 Gce Model Questions Vol1 Chemistry examination.
Difficulty level: Medium .
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