In the titration of 25.0 mL of 0.150 M sodium lactate, CH3CHCOONa (Ka (lactic acid, CH3CHCOOH)= 1.4 x 10-4) with 0.250 M HCI, the pH after adding 15.0 mL of HCl is: O 7.00 O 12.46 O2.44 O 6.58 O 1.96

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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.