2. 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 Determine the molar ratio to change from moles of your original substance to moles of the desired substance If you want your answer in moles: You are done! If you want your answer in grams: use the molar mass of the desired substance to convert from moles back to grams

3.  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

8.  One question you have about making rockets using stoichiometry…