Stoichiometric calculation based on chemical equation provides us intimation about :

Correct answer: A. Theoretical yield

  • A. Theoretical yield
  • B. Practical yield
  • C. Percentage yield
  • D. All of above

Explanation

Stoichiometry uses the balanced chemical equation to calculate how much product can theoretically form from given amounts of reactants.Practical (actual) yield and percentage yield are experimental results, which are determined by performing the reaction in the lab. They cannot be predicted from stoichiometry alone.So, stoichiometry gives theoretical yield, not practical yield or percentage yield.

This question appeared on the ETEA MDCAT 2009 paper, which you can sit online with every answer explained.

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About Theoretical and Percentage Yield

Theoretical yield is the maximum product predicted from a balanced equation and the amount of limiting reactant. Work includes identifying the limiting reagent, comparing theoretical and actual yield, and calculating percentage yield using stoichiometric mole relationships.

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