Calculate the pH at the points indicated below if 50.0 mL of 0.100 M aniline hydrochloride ( C6H5NH3+Cl¯)is titrated with 0.185 M NaOH. (Ka for aniline hydrochloride is 2.4 x 10¯5) C6H5NH3+(aq) + OH¯(aq) ---> C6H5NH2(aq) + H2O(ℓ) Hint: Aniline hydrochloride (formula is C6H5NH3+Cl¯) is a salt of the weak base aniline (C6H5NH2)  and the strong acid HCl. Calculate pH: (a) before the titration begins (b) at the equivalence point

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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.