alleryThe amount of substance in 22.4 litres at STP is one:
AMile
BMode
CMass
DMole
Answer & Solution
Correct answer: D. Mole
1. It holds an Avogadro number of molecules.
2. Its mass is the molecular weight in grams.
3. It is one mole.
_Source: syllabus Physics, Ch 12 'Kinetic Theory'_
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