after NaOH was added required to produce buffer solution with pH 3.7 pH 4.7 pH 5.7 Using the stock solution provided to you, make 25 mL of each of the buffer solutions assigned to you. Measure and record the pH of each of the buffer solutions. Add 2 mL of 0.1 M NaOH to each of the 25 mL buffer solutions. Record the pH of each buffer solution after addition of alkali. Account for the magnitude of pH shift in each with reference to the direction of pH shift Acetate Buffer pH conjugate base/weak acid pH after NaOH was added 3.7 4.7 5.7 Discussion:

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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.