Respuesta :
[tex]V_{NaoH}[/tex] = 577.5 ml of titrant must be added to reach the equivalence point.
(MV)benzoic acid = (Mv)NaoH for equivalence point
VNaoH = (MV)benzoic acid / (Mv)NaoH
= 0.770 × 150 / 0.20
= 577.5 ml
A chemical reaction's equivalence point, also known as the stoichiometric point, occurs when chemically comparable amounts of reactants have been combined. The equivalence point of an acid-base reaction is the point at which, in terms of the chemical reaction, equal amounts of acid and base would neutralize one another. While the ratio is the same as in the chemical reaction, this does not necessarily imply an exact 1:1 molar ratio of acid to base. A tool such as phenolphthalein or methyl orange can be used as an indicator to find it. In a colorimetric titration, the indicator's color changes at the endpoint, which is linked to but distinct from the equivalence point.
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