Answer:
Titration
Step-by-step explanation:
Titration is a procedure for carrying out reactions involved in a volumetric analysis.
Here, a solution usually the acid in the burette is added to a second solution of known volume in a conical flask.
The two undergoes a neutralization reaction in which the base reacts with acid. At the end point between the two reagents, the reaction comes into completion and it is usually indicated by a color change.
Titration is used to determine the volume of the acid that will be completely neutralize the base till it reaches the endpoint.