Tyler titrates 40 mL of 0.350 M lactic acid (HC3H5O3,Ka=1.5×10−4) using 0.450 M NaOH. Calculate the pH of the resulting solution at each of the following points in the titration. After adding 30 mL of the NaOH solution: At the equivalence point: After adding 38.7 mL of the NaOH solution:

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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.