What is the primary purpose of titration in a chemical analysis?

Titration is primarily used to determine the concentration of a solution. This analytical technique involves the gradual addition of a solution of known concentration (the titrant) to a solution of unknown concentration until a reaction is completed, which is often indicated by a color change or a pH change.

The endpoint of the titration allows chemists to calculate the concentration of the unknown solution based on the volume of titrant used, applying stoichiometric principles derived from the balanced chemical reaction between the reactants. This method is vital in various applications, such as determining the concentration of acids or bases in a solution.

Other options focus on different aspects of chemical analysis but do not encapsulate the main goal of titration. Changing the color of the solution may occur during the titration and indicate the endpoint but is not the primary purpose. Determining the boiling point of a solution and assessing its pH do not directly relate to titration, as these measurements require different methods and do not inherently provide concentration information.