Waec Model Questions Vol1 2021 Chemistry Question 18

Practice objective / multiple choice question 18 from the 2021 Waec Model Questions Vol1 Chemistry examination.

Waec Model Questions Vol1 2021 Chemistry Objective / Multiple Choice Medium Difficulty
Question 18 WAEC_MODEL_QUESTIONS_VOL1 • 2021 • CHEMISTRY • objective

A 2.00 L container at 27 °C contains a mixture of oxygen and nitrogen gases at a total pressure of 1.00 atm. The partial pressure of oxygen is twice that of nitrogen. Calculate the mass of oxygen present in the container. (Molar mass of O₂ = 32.0 g mol⁻¹, R = 0.082057 L·atm·K⁻¹·mol⁻¹)

Answer Options

Correct Answer A. 1.73 g
B. 1.20 g
C. 2.05 g
D. 0.86 g
Correct Answer
A
Correct Option:
1.73 g

About This Question

This is Waec Model Questions Vol1 2021 Chemistry Question 18. It is a objective / multiple choice question from the 2021 Waec Model Questions Vol1 Chemistry examination.

Difficulty level: Medium .

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