Post Utme Afe Babalola University 2021 Chemistry Question 15

Practice objective / multiple choice question 15 from the 2021 Post Utme Afe Babalola University Chemistry examination.

Post Utme Afe Babalola University 2021 Chemistry Objective / Multiple Choice
Question 15 POST_UTME_AFE_BABALOLA_UNIVERSITY • 2021 • CHEMISTRY • objective

A 1.0 M solution of a weak acid, HA, has a pH of 4.25. Calculate the value of Ka for the acid.

Answer Options

A. 1.8 x 10^\( -5 \)
Correct Answer B. 2.0 x 10^\( -5 \)
C. 2.5 x 10^\( -5 \)
D. 3.0 x 10^\( -5 \)
Correct Answer
B
Correct Option:
2.0 x 10^\( -5 \)

About This Question

This is Post Utme Afe Babalola University 2021 Chemistry Question 15. It is one of the objective questions from the 2021 Post Utme Afe Babalola University Chemistry examination.

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