The graph below shows two titration curves: 40.0 mL of two different acids are titrated with 0.100 M NaOH. What is the pH at the half-equivalence point of acid A? 14 Figure taken from: Brown, LeMay, Bursten, Langford, Sagatys, Duffy, "Chemistry: the Central Science: a Broad Perspective", Pearson Education Australia, 2007 12 10 8 pH A 4 B. 10 30 20 mL NaOH 40 50 60

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Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.