This Task Card set of 28 cards will help your students master a variety of mole concepts early in the stoichiometry unit. Topics covered include: atomic mass, formula mass, molar mass, 1 & 2 step mole conversion problems, correcting incorrect mole conversion setups, percent composition, empirical formulas, and molecular formulas. Task cards are great for station work, for early finishers, or for extra practice. Include in your mole day (October 23) celebration! The cards print 6 per page,