alleryThe mass of 22.4 litres of a gas at STP equals its:
AMolecular wavelength
BMolecular weight
CMolecular width
DMolecular warmth
Answer & Solution
Correct answer: B. Molecular weight
1. The quantity is measured in grams.
2. This amount of substance is called a mole.
3. It equals the molecular weight in grams.
_Source: syllabus Physics, Ch 12 'Kinetic Theory'_
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