Waec Model Questions Vol1 2019 Chemistry Question 12

Practice objective / multiple choice question 12 from the 2019 Waec Model Questions Vol1 Chemistry examination.

Waec Model Questions Vol1 2019 Chemistry Objective / Multiple Choice Medium Difficulty
Question 12 WAEC_MODEL_QUESTIONS_VOL1 • 2019 • CHEMISTRY • objective
Waec Model Questions Vol1 2019 Chemistry Question 12 diagram

The diagram shows a eudiometer tube used to collect a gas over water. The volume of the gas collected is 125.0 mL at 25 °C. The total atmospheric pressure is 760 mmHg and the water vapour pressure at 25 °C is 23.8 mmHg. Using the diagram, calculate the number of moles of the dry gas collected.

Answer Options

Correct Answer A. 4.95e-3 mol
B. 5.10e-3 mol
C. 4.80e-3 mol
D. 5.00e-3 mol
Correct Answer
A
Correct Option:
4.95e-3 mol

About This Question

This is Waec Model Questions Vol1 2019 Chemistry Question 12. It is a objective / multiple choice question from the 2019 Waec Model Questions Vol1 Chemistry examination.

Difficulty level: Medium .

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