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why is the pH at end point for a titration of a weak acid with a strong base is greater than 7, yet that of the titration of a strong acid with a strong base is equal to 7?

why is the pH at end point for a titration of a weak acid with a strong base is greater than 7, yet that of the titration of a strong acid with a strong base is equal to 7?

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Answer #1

Strong acid and strong base at the end point form neutral salt and water.

Both these components are neutral and hence pH would be 7

On the other hand, weak acid react with strong base to form conjugate base at end point. Due to presence of conjugate base, pH is greater than 7

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why is the pH at end point for a titration of a weak acid with a strong base is greater than 7, yet that of the titration of a strong acid with a strong base is equal to 7?
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