Definition, Meaning & Synonyms

stoichiometric ratio

noun
/ˌstɔɪkiəˈmɛtrɪk ˈreɪʃioʊ/
Definition
The stoichiometric ratio refers to the fixed proportion of reactants and products in a chemical reaction that can be derived from the balanced chemical equation.
Examples
  • In the reaction between hydrogen and oxygen, the stoichiometric ratio is 2:1 for hydrogen to oxygen.
  • Understanding the stoichiometric ratio is essential for ensuring that reactions proceed efficiently and completely.
  • When calculating yields, chemists must consider the stoichiometric ratio of the reactants.
Meaning
It signifies the relative amount of each substance involved in a chemical reaction, allowing chemists to predict how much of a product can be formed from given amounts of reactants.
Synonyms
  • molar ratio
  • reactant ratio
  • proportion of reactants