Percent yield from what you isolated versus what stoichiometry promised.
| Percent yield | – |
Use this calculator at the end of an organic prep: theoretical grams from the limiting reagent, actual grams on the balance.
The calculation is percent yield = (actual / theoretical) × 100. Use the same unit on both amounts (both grams, or both moles).
This is the definition of percent yield. It does not compute the theoretical amount from a balanced equation; use Molar Ratio first if you still need that.
Theoretical amount: Theoretical amount from the stoichiometry, grams or moles.
Actual amount: What you actually recovered, same unit.
Percent yield: Actual as a percent of theoretical. 80 means you isolated 80% of the theoretical mass.
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