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Limiting reactants

Lesson 12 / 30

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I can identify a reactant as being in excess or the limiting reactant and use that information to calculate a theoretical yield.

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In a chemical reaction, the atoms in reactants are rearranged and are the same atoms that are in the products. A theoretical yield is calculated using the stoichiometry of a balanced equation & relevant mathematical relationships. The number of moles of limiting reactant available is used to calculate the theoretical yield of a reaction. If a reactant is added in excess, not all of it will react and some will be found in the final product mixture. A limiting reactant is one that restricts the amount of product that can form from the available particles.

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This content is by Cashar and published under an open licence.