How to calculate actual yield without percent yield
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Practical yield definition.
4 reasons why actual yield is less than theoretical
5.3: Calculating Reaction Yields
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Skills to Develop
- Explain the concepts of theoretical yield and limiting reactants/reagents.
- Derive the theoretical yield for a reaction under specified conditions.
- Calculate the percent yield for a reaction.
The relative amounts of reactants and products represented in a balanced chemical equation are often referred to as stoichiometric amounts.
All the exercises of the preceding module involved stoichiometric amounts of reactants. For example, when calculating the amount of product generated from a given amount of reactant, it was assumed that any other reactants required were available in stoichiometric amounts (or greater).
In this module, more realistic situations are considered, in which reactants are not present in stoichiometric amounts.
Limiting Reactant
Consider another food analogy, making grilled cheese sandwiches (Figure \(\PageIndex{1}\)):
\[\text{1 slice of cheese} + \text{2 slices of bread} \rightarrow \text{1 sandwich} \label{4.5.A}\]
Stoichiometric amounts of sandwich ingredi
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