5. Use the titration curve to the right to answer the following questions A. What is the pH at the equivalence point? B. Is the unknown acid or base? Weak or strong? How can you tell? C. What is the Ka of this unknown solution? Titration Curve 13 12 11 10 9 8 pH 7 6 5 4 3 2 1 0 0 5 10 15 20 25 30 35 40 45 50 55 60 Amount of Base added (mL)

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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.