Answer :

Final answer:

In titrations, the equivalence point is when the titrant equals the analyte, resulting in a neutralization reaction. To calculate the concentration of NaOH, use the formula C1V1 = C2V2 with titration data.


Explanation:

Equivalence point in a titration is the point at which the amount of titrant added is stoichiometrically equivalent to the amount of analyte in the solution, resulting in a neutralization reaction. At this point, the pH is either 7 for strong acid-strong base titrations or varies for other types of titrations.

To calculate the concentration of sodium hydroxide (NaOH), you need information on the volume and concentration of the acid used in the titration, as well as the volume of acid required to reach the equivalence point. The concentration can be determined using the formula C1V1 = C2V2, where C1 and V1 are the initial concentration and volume of the acid, and C2 and V2 are the concentration and volume of NaOH at the equivalence point.


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