Answer to Question #246748 in General Chemistry for Ash

General Chemistry

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 pK_a of the acid?

Expert's answer

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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