Question

what is 1 mole.what is Avagadro's constant?

Answer 1

One mole of oxygen atoms contains 602214179x͟10^23 oxygen atoms. The number 602214179x͟10^23 alone is called Avogadro's number (NA) or Avogadro's constant, after the 19th century scientist Amedeo Avogadro.

Answer 2

1 Mole is defined as the amount of substance present in Avogadro number of particles.

Avogadro number / consonant :

1 mole of any substance , has number of particles [ atoms , molecules , ions ] equal to a fixed value , 6.022×10²³

This fixed value , 6.022×10²³ is known as the Avogadro consonant or Avogadro number.