Stoichiometry. We need a means of converting mass to number of atoms so that we can predict how much mass of a specific product will be formed, what the limiti

Stoichiometry. We need a means of converting mass to number of atoms so that we can predict how much mass of a specific product will be formed, what the limiting reägent will be, &c. It also helps to define concentrations based on number of moles in a L of solvent (Molarity vs g/L) for the same reason.