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 one of the objective questions from the 2019 Waec Model Questions Vol1 Chemistry examination.

Difficulty level: Medium .

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