3. (a) A 20.0 mL sample of 0.200 M cyanic acid (HOCN, K₁=3.3 x 104) is titrated with 0.400 M NaOH. Calculate the pH and % dissociation of the cyanic acid solution before any NaOH solution has been added. (b) (c) Calculate the pH of the solution after 3.00 mL of NaOH solution has been added. Calculate the pH of the solution at the half equivalence point.

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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.