Neco Model Questions Vol1 2017 Chemistry Question 1

Practice objective / multiple choice question 1 from the 2017 Neco Model Questions Vol1 Chemistry examination.

Neco Model Questions Vol1 2017 Chemistry Objective / Multiple Choice Medium Difficulty
Question 1 NECO_MODEL_QUESTIONS_VOL1 • 2017 • CHEMISTRY • objective

A (2.00\ \text{L}\) container at (298\ \text{K}\) and (1.00\ \text{atm}\) contains a mixture of oxygen gas (O₂, molar mass \(32.00\ \text{g·mol}^{-1}\)) and hydrogen gas (H₂, molar mass \(2.016\ \text{g·mol}^{-1}\)). The total mass of the gas mixture is \(2.00\ \text{g}\). Determine the mass of oxygen and the mass of hydrogen present in the container.

Answer Options

A. O₂: 1.80 g; H₂: 0.20 g
B. O₂: 2.00 g; H₂: 0.00 g
Correct Answer C. O₂: 1.96 g; H₂: 0.04 g
D. O₂: 1.50 g; H₂: 0.50 g
Correct Answer
C
Correct Option:
O₂: 1.96 g; H₂: 0.04 g

About This Question

This is Neco Model Questions Vol1 2017 Chemistry Question 1. It is one of the objective questions from the 2017 Neco Model Questions Vol1 Chemistry examination.

Difficulty level: Medium .

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