1. The problem statement, all variables and given/known data Could you please explain to me what moles are and how it refers to Avogadro's Constant and why chemists use them? Thanks. 2. Relevant equations There are no equations to my knowledge.. 3. The attempt at a solution I know what moles are I think but I am not sure how it refers to Avogadro's Constant and why a specialized chemist would use them. Please help and I will do my best to offer some too. Thanks.