Teacher resources and professional development across the curriculum

Teacher professional development and classroom resources across the curriculum

Monthly Update sign up
Mailing List signup
Follow The Annenberg Learner on LinkedIn Follow The Annenberg Learner on Facebook Follow Annenberg Learner on Twitter

Unit 6: Quantifying Chemical Reactions—Stoichiometry and Moles


In a balanced chemical equation, the number that appears before one of the compounds in the reaction. A pair of coefficients represent the ratio of one product or reactant in relation to the other reactants or products.
Percent yield
The degree to which a reaction has gone to completion.
Theoretical yield
The number of moles of product we would have if all of the limiting reagent were converted to products.

© Annenberg Foundation 2016. All rights reserved. Legal Policy