Which of the following statements about buffers is TRUE? Select one: A. When pH = pKa, the weak acid and salt concentrations in a buffer are equal. B. At pH values lower than the pKa, the salt concentration is higher than that of the acid. C. The strongest buffers are those composed of strong acids and strong bases. D. The pH of a buffered solution remains constant no matter how much acid or base is added to the solution.

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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.