Mole sauce is usually made approximately 1 week beforehand and stored inside the fridge. Rewarm over the stove and include extra chicken inventory, as required, to achieve wished-for consistency.
A mole of C-12 by definition weighs precisely 12 g and Avogadro's amount is determined by counting the amount of atoms. It's not necessarily really easy. Avogadro's number is mole the elemental regular that is least accurately decided.