Theoretical Yield Calculator
Calculate the theoretical yield of a chemical reaction based on the limiting reactant and stoichiometry.
Published by:
isCalculator Editorial Team
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How to Use the Theoretical Yield Calculator
This calculator determines the maximum product mass from a chemical reaction by identifying the limiting reactant. All inputs must be in metric units (grams and g/mol).
- Enter Reactant Data: Provide the mass (g) and molar mass (g/mol) for both Reactant 1 and Reactant 2.
- Enter Coefficients: Input the stoichiometric coefficients for Reactant 1, Reactant 2, and the Product from your balanced chemical equation.
- Enter Product Molar Mass: Input the molar mass of the product (g/mol).
- Calculate: Click the "Calculate Theoretical Yield" button.
- Read Results: The theoretical yield (in grams) appears in the green box. Below it, a step-by-step breakdown shows the calculations, including which reactant is limiting.
Tip: Ensure all values are positive numbers. If you see an error, double-check your inputs for zeros or missing fields.
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Frequently Asked Questions
Theoretical yield is the maximum amount of product that can be produced from a given amount of reactants, assuming complete conversion and no losses, based on the stoichiometry of the balanced chemical equation.
The limiting reactant is the reactant that is completely consumed first in a chemical reaction. It is determined by comparing the mole ratios of reactants to their stoichiometric coefficients.
Actual yield is often less due to incomplete reactions, side reactions, loss during purification, or measurement errors. The efficiency is expressed as percent yield.