Stoichiometry

1. Used in a chemical equation to determine mole ratios.
5. The ratio of the actual yield to the theoretical yield shown as a percent.
6. A combination of chemical symbols and numbers to represent a substance.
7. A chemical substance that is present at the end of a chemical reaction.
9. How many moles are in 160 grams of CH4?
11. maximum amount of a product that can be given off.
13. The reactant in a chemical equation that is completely used up.
17. A unit of amount, the amount of a substance containing 6.02x10^23 entities.
18. The reactant in a chemical equation with a greater amount than necessary to react completely with the limiting reactant.

2. 3.01x10^24 molecules of NH3 is equal to how many moles?
3. formula using the simplest whole-number ratio
4. shows which elements are in the compound and the actual number of each
8. process of using a balanced equation to determine the relative masses reactants and products involved in the reaction
10. ratio of moles from one substance to another.
12. 22.4 liters is equal to how many moles?
14. A chemical substance that is present at the beginning of a chemical reaction.
15. one mole of lithium is equal to how many grams?
16. 64.0 grams of CH4 is how many moles?