10 dm(cube) of Nitrogen molecule and 10 dm(cube) of a gas X contain same number of molecules. The gas is : 1) hydrogen 2) NO 3) CO 4) CO2

Asked by Abhishek Wagle | 18th Feb, 2014, 09:27: PM

Expert Answer:

The "X" gas can be CO as the molar mass N2 molecule and CO molecule is same.
Also, the density of both Nitrogen gas and carbon monoxide are same.
Hence 10 dm3 of Nitrogen molecule and 10 dm3 of carbon monoxide contain same number of molecules.
The answer is (3) CO.

Answered by  | 19th Feb, 2014, 12:29: PM

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