Similar to acetic acid, propionic acid (CH3CH2COOH) is a weak acid (HA), which inhibits the growth of mold and some bacteria and also used to make pesticides and pharmaceuticals. Suppose 10.00-mL of 0.8000 M propionic acid (CH3CH2COOH), is titrated with 0.2000M NaOH. Ka for propionic acid is 1.4 x 10-5 . What is the pH after addition of 30.00 mL of NaOH to the propionic acid 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.