Avogadro's number (NA) is:
6.02214076 × 1023 mol-1
It represents the number of particles in one mole of a substance.
Convert between moles and number of particles using Avogadro's constant.
Find the number of moles given the number of particles.
Convert between mass and moles using molar mass.
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Avogadro's number (NA) is defined as the number of constituent particles (usually atoms or molecules) in one mole of a substance. Its value is:
This number allows chemists to count particles by weighing macroscopic amounts of material.