The process of titration is applied to determine the concentration of the chemical. Then the correct option is B.
What is titration?
Titration, often known as gravimetric analysis, is an essential method in liquid chromatography.
In a mixture, the titration process is used to determine the concentration of a certain analyte.
When the amount of a certain chemical is mixed with the other chemical gradually then the solution changes its color.
More about the titration link is given below.
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