The figure below shows titration of a weak monoprotic acid with a NaOH solution (titrant). Would the use of thymol blue as an indicator result in overestimated results? The y axis represents the pH and the x the volume of the titrant.

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Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.