Starting with 0.1 mol L−1 HNO2(aq), which one of the following operations would cause the pH of the solution to increase?   (Ka for HNO2 is 4.5 x 10−4). Select all that apply.  You may select more than one, one, or none of the options.       a) adding some NaNO2   b) adding some HCl   c) adding some NaCl   d) adding some HNO2

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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.