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CBSE Class 11-science Answered

how can we clearly define VAPOUR DENSITY?
Asked by | 22 Jun, 2008, 02:52: PM
answered-by-expert Expert Answer

Vapour density is the density of a vapour in relation to that of hydrogen.May be defined as mass of a certain volume of a substance divided by mass of same volume of hydrogen.

vapour density= mass of n molecules of gas/ mass of n molecules of hydrogen

                       or

vapour density = 1/2 molar mass

Answered by | 02 Jul, 2008, 07:34: PM
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