You are given a 40.0mL sample of 0.80M CH3CH2COOH is titrated with 0.30M NaOH.  What is the pH of the solution after 22.0 mL of NaOH have been added to the acid and how much NaOH would be needed to overwhelm the buffer? [Ka (CH3CH2COOH) = 1.3 x 10-5]

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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.