# What's the definition for mole before Avogadro's constant?

I have been searching for about 3 days how Avogadro's constant is found, and as all of us know the value is determined by division of charge of one mole of electrons (Faraday's constant) by the charge of one electron. What confuses me is that, Faraday's constant is 96500 (it's not accurate value) and its unit is C/mole. If the mole is defined by Avogadro's Constant and Avogadro used Faraday's constant to determine his constant, what was the definition of mole for Faraday?

• did you look here? en.wikipedia.org/wiki/Avogadro_constant#History Not sure what you're really trying to figure out. It would take a book to discuss how weight/mass and the understanding of atoms developed scientifically. It wasn't a direct line of thought.
– MaxW
Apr 15, 2020 at 21:47
• A gram equivalent times the stoichiometric coefficient contains the same amount of substance as a mole. To define the mole, you don’t need Avogadro’s constant, just atomic weights and a balance. Apr 16, 2020 at 0:32

In order to search how early precursors to Avogadro's number's were found, read about Loschmidt constant and then move to Avogadro's story. There were many $$independent$$ methods to determine Avogadro's constant. Loschmidt was trying to estimate size of the "air molecule" in 1865. Number of particles in air in a given volume. 