Post Utme Nile University 2020 Chemistry Question 5

Practice objective / multiple choice question 5 from the 2020 Post Utme Nile University Chemistry examination.

Post Utme Nile University 2020 Chemistry Objective / Multiple Choice
Question 5 POST_UTME_NILE_UNIVERSITY • 2020 • CHEMISTRY • objective

A 0.1 M solution of a weak acid HA is mixed with 0.1 M NaOH. If the resulting solution has a pH of 4.5, what is the value of the dissociation cons\tant of the acid (Ka)?

Answer Options

Correct Answer A. 1.0 x 10^-5
B. 1.0 x 10^-4
C. 1.0 x 10^-3
D. 1.0 x 10^-2
Correct Answer
A
Correct Option:
1.0 x 10^-5

About This Question

This is Post Utme Nile University 2020 Chemistry Question 5. It is one of the objective questions from the 2020 Post Utme Nile University Chemistry examination.

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