Post Utme Nile University 2020 Chemistry Question 1

Practice objective / multiple choice question 1 from the 2020 Post Utme Nile University Chemistry examination.

Post Utme Nile University 2020 Chemistry Objective / Multiple Choice
Question 1 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 1. It is one of the objective questions from the 2020 Post Utme Nile University Chemistry examination.

View More Post Utme Nile University 2020 Chemistry Questions More Post Utme Nile University Practice Questions Back to Questions

Master the Exam!

You've seen a preview, but there are thousands more questions plus AI tutor to break down complex solutions.

Unlock Full Access Available for Android & Windows
Chat with Support