Post Utme Unilag 2019 Chemistry Question 10

Practice objective / multiple choice question 10 from the 2019 Post Utme Unilag Chemistry examination.

Post Utme Unilag 2019 Chemistry Objective / Multiple Choice
Question 10 POST_UTME_UNILAG • 2019 • CHEMISTRY • objective

A 2.0 M solution of HCl is titrated with 1.0 M NaOH. Calculate the pH of the solution after 20 cm3 of NaOH has been added.

Answer Options

Correct Answer A. \( pH = \frac{1}{2} \log \frac{[HCl]_0}{[HCl]_t} \)
B. \( pH = \frac{1}{2} \log \frac{[HCl]_t}{[HCl]_0} \)
C. \( pH = \frac{1}{2} \log \frac{[HCl]_0}{[HCl]_t} + \frac{1}{2} \log \frac{[NaOH]_0}{[NaOH]_t} \)
D. \( pH = \frac{1}{2} \log \frac{[HCl]_t}{[HCl]_0} + \frac{1}{2} \log \frac{[NaOH]_t}{[NaOH]_0} \)
Correct Answer
A
Correct Option:
\( pH = \frac{1}{2} \log \frac{[HCl]_0}{[HCl]_t} \)

About This Question

This is Post Utme Unilag 2019 Chemistry Question 10. It is one of the objective questions from the 2019 Post Utme Unilag Chemistry examination.

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