Avogadro's number- number of particles in 1 mole of a substance. It is a large number that is equal to [tex]6.02[/tex] x [tex] 10^{23} [/tex] particles
Mole- sl unit to express the amount of a substance
Molar mass- the mass of one mole of a substance
Percentage composition- the percentage by mass of each element in a compound
--Mizu
