In the titration of a weak acid vsstrong base, 50.00mL base was required to reach equivalence point. When exactly 25.00 mL of base is added, the pH in the solution is found to be 5.28. What is the K of the weak acid?

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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.