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Chemistry  /  Chem 1876  ·  Atom · ~20 seconds

Titration Curve: Weak Acid–Strong Base Shape

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A weak acid–strong base curve starts higher, buffers near half-equivalence, and reaches an equivalence point above pH 7, since the resulting salt hydrolyzes basic.

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Titrating acetic acid with NaOH crosses its equivalence point near pH 8–9, not pH 7.

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Expecting every equivalence point at pH 7 ignores that the salt's own hydrolysis sets that point.