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how to do percent yield chemistry. Usually percent yield is lower than 100 because the actual yield is often less than the theoretical value. Write a balanced chemical equation for the reaction.
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The formula for the percentage yield calculation as found in the data booklet is. A percent yield of 90 means the reaction was 90 efficient and 10 of the materials were wasted they failed to react or their products were not captured. About the Book Author.
This is the theoretical yield of the equation.
If the actual and theoretical yield are the same the percent yield is 100. The theoretical yield is the maximum amount of product that can be obtained in a chemical reaction. Please note that the theoretical yield is never the expected yield as we never expect 100 yield in a chemical reaction. You need to begin with a balanced chemical equation and define the limiting reactant.
