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Relationship between Vapor Density & Relative Molecular Mass

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Question

State True or False.
The vapour density of a gas is twice its relative molecular mass.

A

True

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B

False

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Solution

The correct option is A True
The vapour density of a gas is half of its relative molecular mass.
Vapour density $=$ Molar mass of gas / Molar mass of $H_{2}$

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