Consider the weak acid, HA, in water as shown in the reaction below. The [HA] initially is 0.3120 M and the pH of the solution is 3.3534, what is the k a of HA? HA (aq) + H 2O (l) ⇌ H 3O + (aq) + A - (aq)     8.520x10-7     7.059x10-7     4.764x10-7     3.258x10-7     6.295x10-7

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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.