MCAT General Chemistry Question 110: Answer and Explanation
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Question: 110
5. Ideal gases:
I. have no volume.
II. have particles with no attractive forces between them.
III. have no mass.
- A. I only
- B. II only
- C. I and II only
- D. I, II, and III
Correct Answer: B
Explanation:
Ideal gases are said to have no attractive forces between molecules. While each particle within the gas is considered to have negligible volume, ideal gases as a whole certainly do have a measurable volume, thus option I is eliminated. Gases have molar masses, thus option III is eliminated.