English National Curriculum - Science
Mission Objectives
Define the limiting reactant
Explain how the limiting reactant determines the maximum amount of product formed
Use mole or mass calculations to predict the quantity of products when one reactant is in excess and the other is limiting
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Words and meanings to learn
limiting reactant
the reactant that is completely used up first in a chemical reaction, limiting the amount of product formed
excess reactant
the reactant that is not completely used up in a chemical reaction; some remains after the reaction is complete
mole
the amount of substance that contains 6.02 × 10²³ particles, such as atoms, molecules or ions
molar ratio
the ratio of the number of moles of each substance in a balanced chemical equation
relative formula mass (Mr)
the sum of the relative atomic masses of all the atoms in a chemical formula
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