trong base is dissolved in 675 mL of 0.200 M weak acid (?a=3.87×10−5) to make a buffer with a pH of 4.04. Assume that the volume remains constant when the base is added. HA(aq)+OH−(aq)⟶H2O(l)+A−(aq) Calculate the p?a value of the acid, and determine the number of moles of acid initially present. When the reaction is complete, what is the concentration ratio of conjugate base to acid? [A−][HA]= How many moles of strong base were initially added?

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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.