If a buffer solution is 0.230 M0.230 M in a weak base (?b=7.4×10−5)Kb=7.4×10−5) and 0.540 M0.540 M in its conjugate acid, what is the pH?

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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.