A buffer solution contains 0.237 M C6H5NH3 Cl and 0.366 M C6H5NH₂ (aniline). Determine the pH change when 0.090 mol HCl is added to 1.00 L of the buffer. (Assume K₁ (C6H5NH₂) = 7.4 × 10−¹⁰.) pH after addition - pH before addition = pH change =

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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.