Question Detail

CHM 101 CHM 101 Past Questions Objective Question
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Question

What is the mass of 2.50 moles of oxygen gas (O₂)? (O = 16.0 g/mol)
Options
A 40.0 g
B 80.0 g
Correct Answer
C 160.0 g
D 32.0 g
Correct Answer

Option B is the correct answer.

Detailed Explanation

Molar mass O₂ = 32.0 g/mol. Mass = 2.50 mol × 32.0 g/mol = 80.0 g.

Hint

Remember that oxygen gas is diatomic (O₂).

Question Info

Course: CHM 101
Topic: CHM 101 Past Questions
Type: Objective
Difficulty: Not specified
Question 1345 of 1872
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