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Calculate Percent Yield
About Percent Yield
Percent yield is a measure of the efficiency of a chemical reaction. It compares the actual amount of product obtained to the theoretical maximum amount that could be produced.
% Yield = (Actual Yield / Theoretical Yield) × 100
Key concepts:
- Actual Yield: Amount of product actually obtained
- Theoretical Yield: Maximum amount possible (calculated from stoichiometry)
- Percent Yield: Efficiency of the reaction (0-100%)
Factors Affecting Yield:
• Incomplete reactions
• Side reactions
• Loss during purification
• Impure reactants
Typical Yields:
• Excellent: >90%
• Good: 70-90%
• Fair: 50-70%
• Poor: <50%
Percent yield is crucial in industrial chemistry, pharmaceutical manufacturing, and laboratory synthesis optimization.