Concentration of Reactants

Definition

The concentration of reactants refers to the amount of reactant substances present in a chemical reaction at any given time. It is usually measured in moles per liter (M).

Related terms

Molarity:

This is a measure of concentration in chemistry, defined as the number of moles of solute per liter of solution.

Solute:

A substance that is dissolved in another substance (the solvent), forming a solution.

Solution:

A homogeneous mixture composed of two or more substances. In such a mixture, a solute is dissolved in another substance, known as a solvent.