Chemistry

Problem

A 25.0 mL sample of 0.100 M aniline (C₆H₅NH₂, a weak base) is titrated with 0.200 M HCl. What minimum total volume of the acid must be added for the pH of the solution to drop below 2.00? a)

13.8\ \text{mL}

14.5\ \text{mL}

12.5\ \text{mL}

11.4\ \text{mL}

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