In terms of chemical reactions, what does "stoichiometry" refer to?

Stoichiometry is fundamentally concerned with the quantitative relationships between the reactants and products in a chemical reaction. It involves using balanced chemical equations to calculate the amounts of substances consumed and produced during a reaction. This includes determining how much of each reactant is needed to produce a certain amount of product, and vice versa.

For example, if a chemical reaction produces a certain number of moles of a product, stoichiometry allows chemists to calculate how many moles of reactants are required to achieve that yield. This aspect of chemistry is essential for laboratory work, manufacturing processes, and in any application where precise measurements of substances are crucial. The focus on reactant and product measurement is why this choice accurately reflects the definition of stoichiometry.