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  1. 5. a reactant present in an amount in excess of that required to combine with all of the limiting reactant.
  2. 8. the reactant that gets consumed first in a chemical reaction
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  1. 1. the number of atoms or molecules in one mole of a substance, equal to 6.023 × 1023.
  2. 2. It is calculated to be the experimental yield divided by theoretical yield multiplied by 100%.
  3. 3. The amount that is actually produced in a reaction
  4. 4. the relationship between the relative quantities of substances taking part in a reaction or forming a compound, typically a ratio of whole integers.
  5. 6. he maximum possible mass of a product that can be made in a chemical reaction.
  6. 7. the ratio between the amounts in moles of any two compounds involved in a chemical reaction.