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Relationship between Vapor Density & Relative Molecular Mass

If the vapor ...

Question

If the vapor density of a gas is X is 10, then what is the Molecular weight of gas X ?

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Solution

$V a p o r d e n s i t y = \frac{M o l e c u l a r w e i g h t}{2}$ .

Hence, molecular weight of given gas is $10 \times 2 = 20$ .

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