Final answer:
Measuring the exact volume of distilled water and transferred solution is crucial for creating solutions with accurate concentrations and for determining the reaction's equivalence point in titrations.
Step-by-step explanation:
It is necessary to measure the exact volume of distilled water used to dissolve the acid and the exact volume of solution transferred to ensure accurate concentration of the solution. When preparing a solution, the amount of solute and the total volume of solvent are critical for determining its molarity. In the context of a titration, accurate measurements of both the analyte and the titrant are imperative because the stoichiometry of the reaction is based on the known volumes and concentrations.
Furthermore, the endpoint of a titration, which indicates when a reaction is complete, is determined by observing a change such as a color shift due to the indicator added. Therefore, inaccuracies in volume measurements can lead to erroneous conclusions about the reaction's equivalence point and, by extension, lead to incorrect calculation of the analyte's concentration.