⚗️Percent Yield Calculator
Percent yield compares the actual amount of product obtained in a reaction to the theoretical maximum (calculated from stoichiometry). It reflects efficiency and accounts for side reactions, incomplete reactions, and purification losses.
- 1Calculate theoretical yield from stoichiometry using limiting reagent
- 2Weigh or measure actual product obtained
- 3Percent yield = (Actual yield / Theoretical yield) × 100%
Theoretical yield 25g · Actual product 18g=Percent yield = 72%18/25×100=72%
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Fun Fact
Industrial chemical processes rarely achieve above 85% yield. Pharmaceutical synthesis often involves 10–20 steps, so even 90% yield per step gives 0.90²⁰ = only 12% overall yield.
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