Weak Acids dissociate according to the following equation: HA(aq) + H2O(L) ⇌ H3O+ (aq) + A-(aq) In a lab, a buffer solution is made that contains both a weak acid (HA) and its conjugate base (A-), with the following concentrations: [HA] = 0.120 M [A-] = 0.200 M If the weak acid has a pKa value of 6.444, what is the pH of this buffer solution? (Please provide your answer to 3 decimal places.)

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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.