Quick ‘cheat sheet’ If given A to find B Moles to Moles: Given moles A x formula moles B formula moles A Moles to Grams: Given moles A x formula moles B x molar mass B formula moles A 1 mole B Grams to Moles: Given grams A x 1mole A x formula mol B mol mass A formula mol A Grams to Grams: Given grams A x 1mole A x formula mol B x mol mass B mol mass A formula mol A 1 mol B

If your given is in moles: Determine the molar ratio to change from moles of your original substance to moles of the desired substance If you want your answer in grams: use the molar mass of the desired substance to convert from moles back to grams If you want your answer in moles: You are done! If your given is in grams: Use the molar mass of the compound to determine the number of moles