Percent Yield Calculator
Percent yield calculator
Calculate reaction percent yield from actual and theoretical product yield.
Result
82.84313725%
Uses % yield = (actual / theoretical) × 100.
Chem signal
Advanced options
Flow
- Enter actual isolated product mass.
- Enter theoretical mass from stoichiometry.
- Review percent yield and interpret losses or side reactions.
Example
Worked example: actual 8.45 g, theoretical 10.20 g
- 1 % Yield = (8.45 / 10.20) × 100
- 2 Ratio = 0.8284
- 3 Percent yield = 82.84%
Reaction percent yield is 82.84%.
How
- Enter actual isolated product mass.
- Enter theoretical mass from stoichiometry.
- Review percent yield and interpret losses or side reactions.
Avoid
- Using impure wet product mass as actual yield without drying correction.
- Applying wrong limiting reagent when computing theoretical yield.
- Reporting yield above 100% without discussing measurement or purity errors.
Checks
Best fit
Percent Yield Calculator is built for calculate percent yield from actual and theoretical product yield. If Percent Yield Calculator does not match the input scope, compare the answer with a second method.
Input check
Match the entered values to this rule before copying the answer: % Yield = (Actual Yield / Theoretical Yield) × 100.
Sanity check
For Percent Yield Calculator, use the worked example as a quick benchmark: Reaction percent yield is 82.84%. If the percent yield calculator answer is far away, check whether an input, unit, or mode changed.
Before copying
Review this common issue first: using impure wet product mass as actual yield without drying correction.
Ref only. Verify values. Follow lab safety.
FAQ
Can percent yield exceed 100%?
It can appear above 100% due to impurity, solvent retention, or weighing errors.
Should I use moles or grams?
Either works as long as actual and theoretical values use the same unit basis.
Is high yield always good?
Yield is one metric; purity and selectivity still matter in process quality.
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