Essential Chemistry for IGCSE - Chemical Calculations (Section 2 - No. 32)
What is the Avogadro constant?
The mass of one mole of a substance.
The number of atoms or molecules in one mole of a substance.
The volume occupied by one mole of a gas at STP.
The density of a substance in moles per liter.
Explanation
The Avogadro constant is the number of entities (atoms, molecules, ions, etc.) in one mole of a substance, approximately 6.022 x 10^23.
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