25cm 3 of a gas X contains Z molecules at 15oC and 75 mmHg. How
CHEMISTRY
JAMB 2001
25cm3 of a gas X contains Z molecules at 15oC and 75 mmHg. How many molecules will 25 cm3 of another gas Y contain at the same temperature and pressure?
- A. 2 Y
- B. 2 Z
- C. Z
- D. Y
Correct Answer: C. Z
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