This program is designed to help students practice gram to mole and mole to gram conversions with chemical compounds to help develop their skills for learning stoichiometry. This is the full version of the product and contains 40 pre-programmed masses, chemical formulas, and chemical names. Note, the 40 chemical formulas and names cover a wide spectrum of chemical nomenclature to include ionic bonding, covalent bonding, and polyatomic ions. Questions used in this program are simple and meant to help develop student skills with gram to mole and mole to gram conversions. As an added bonus, you can use the chemical names only selection to help students practice their chemical names to formula skills. This program requires an operating system that can run an executable (exe) file and has been tested on Windows operating systems. If you want to try this program before buying, please view and/or download the demo version of this product!