The curve in the figure shows the variation of \( \mathrm{pH} \) \(...

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The curve in the figure shows the variation of \( \mathrm{pH} \)
\( \mathrm{P} \) during the course of titration of a weak acid. HA with

W a strong base \( (\mathrm{NaOH}) \). At which point in the titration curve is the concentration of the acid may be equal to that of its conjugate base?
\( \mathrm{ml} \) of \( \mathrm{NaOH} \) added \( \longrightarrow \)
(1) Point D
(2) Point \( E \)
(3) Point \( \mathrm{C} \)
(4) Point B
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