The relative molar mass of a gaseous hydrocarbon is 30. Determine its vapour density.
CHEMISTRY
WAEC 2023
The relative molar mass of a gaseous hydrocarbon is 30. Determine its vapour density.
- A. 45
- B. 30
- C. 15
- D. 60
Correct Answer: C. 15
Explanation
Vapour density = Relative molar mass / 2
Vapour density = 30 / 2 = 15
Therefore, the vapour density of the gaseous hydrocarbon is 15.
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