Post Utme Covenant University 2021 Chemistry Question 38

Practice objective / multiple choice question 38 from the 2021 Post Utme Covenant University Chemistry examination.

Post Utme Covenant University 2021 Chemistry Objective / Multiple Choice
Question 38 POST_UTME_COVENANT_UNIVERSITY • 2021 • CHEMISTRY • objective

A sample of CO2 is collected over water at a temperature of 25°C and a pressure of 1 atm. If the partial pressure of CO2 is 0.5 atm, what is the mole \fraction of CO2 in the gas mixture?

Answer Options

Correct Answer A. \( x_{CO_2} = \frac{P_{CO_2}}{P_{total}} \)
B. \( x_{CO_2} = \frac{P_{total}}{P_{CO_2}} \)
C. \( x_{CO_2} = \frac{V_{CO_2}}{V_{total}} \)
D. \( x_{CO_2} = \frac{V_{total}}{V_{CO_2}} \)
Correct Answer
A
Correct Option:
\( x_{CO_2} = \frac{P_{CO_2}}{P_{total}} \)

About This Question

This is Post Utme Covenant University 2021 Chemistry Question 38. It is one of the objective questions from the 2021 Post Utme Covenant University Chemistry examination.

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