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Answer to Question #246748 in General Chemistry for Ash

Question #246748

A weak acid is titrated with a 0.100 M solution of NaOH.


If the pH at the midpoint is 4.2, what is the pKa of the acid?



1
Expert's answer
2021-10-05T01:43:02-0400

At the midpoint of the titration , the value of pka will be equal to the value of pH

pKa = pKa = 4.2

pKa = 4.2


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