You have a buffer solution containing an acid, HA. The pKa of HA is 7.20 and its conjugate base is A- (assume HA is monoprotic). What is the pH of the solution when [HA] = [A- ]? = 7.20  What is the pH of the solution when you have 10x [HA] to [A- ]? What if you have 10x [A- ] to [HA]?

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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.