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14.7 Acid-Base Titrations
Curve shapes for strong and weak systems, pH at the initial, half-equivalence, and equivalence points, and how indicators signal the endpoint.
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2 exercises
14.7 Exercise 1
Explain how to choose the appropriate acid-base indicator for the titration of a weak base with a strong acid.
2.5
14.7 Exercise 3
Calculate the pH at the following points in a titration of 40 mL (0.040 L) of 0.100 M barbituric acid (Ka = 9.8 10−5) with 0.100 M KOH.
(a) no KOH added
(b) 20 mL of KOH solution added
(c) 39 mL of KOH solution added
(d) 40 mL of KOH solution added
(e) 41 mL of KOH solution added
2.5
Adapted from General Chemistry © 2019 Rice University. Licensed under CC BY 4.0. Sources: Chemistry 2e, Chemistry: Atoms First 2e. Imported at revision 32c7196.