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Reaction Yield
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Reaction Yield Theoretical Actual
The maximum amount of product that can be produced from a given amount of reactant calculated using stoichiometry The amount of product actually produced when the chemical reaction is carried out in an experiment
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Percent Yield A comparison of the actual and theoretical yield
In general, the higher the yield, the better the results are from the experiment.
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Steps Identify what is given in the problem.
The product given is the actual yield, calculate the theoretical yield (from LR) Calculate the percent yield
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Example 1 Determine the theoretical yield of silver chromate if g of silver nitrate is used to react with potassium chromate. If g of silver chromate is obtained from an experiment, calculate the percent yield.
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Example 2 Carbon tetrachloride was prepared by reacting g of carbon disulfide and g of chlorine gas. Calculate the theoretical and percent yield if 65.0 g of carbon tetrachloride was obtained from the reaction.
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