Calculate the pH of 1.00 L of a buffer that contains  0.115 M  HNO2 and 0.185 M  NaNO2. What is the pH of the same buffer after the addition of 1.00 mL of 12.0 M  HCl? (pKa of HNO2 = 3.40) Q1: pH of original buffer = Q2: pH after HCl is 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.