What is the purpose of the mole in chemistry?
The mole is simply another counting unit; just as 10, or 12, or 100 are.
You know I think the relationship between the mole and Avogadro's number,
So if I burn some carbon, say 12.0 g or 1 mole, then how many oxygen atoms will I need for the process? And what is the mass of this quantity, this number of oxygen atoms?