The molecular mass of a gas is

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The molecular mass of a gas is

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The molecular mass of a gas is

1. twice its vapour pressure
2. equal to its vapour pressure
3. half its vapour pressure
4. not related to its vapour pressure

Correct Option: A

The molecular weight (molar mass) of any gas is the mass of one particle of that gas multiplied by Avogadro’s number (6.02 × 10²³). It is twice its vapor pressure since the molecular mass of any gas is twice its density in relation to hydrogen which has 2 atoms in one molecule.