Department of Chemistry and Chemical Biology

PPT Slide

Acid-Base Titrations

Strong Acid-Base Titrations

• Initially, the strong base is in excess, so the pH > 7.

• As acid is added, the pH decreases but is still greater than 7.

• At equivalence point, the pH is given by the salt solution (i.e. pH = 7).

• After equivalence point, the pH is given by the strong acid in excess, so pH < 7.

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Last modified: Tuesday, April 01, 2003