Post Utme Abu 2020 Chemistry Question 2

Practice objective / multiple choice question 2 from the 2020 Post Utme Abu Chemistry examination.

Post Utme Abu 2020 Chemistry Objective / Multiple Choice

Question 2 POST_UTME_ABU • 2020 • CHEMISTRY • objective

The pH of a 0.10 M solution of a weak acid HA is 4.25. Calculate the value of Ka for the acid.

A. 1.0 x 10^\( -4 \)

Correct Answer B. 1.0 x 10^\( -5 \)

C. 1.0 x 10^\( -6 \)

D. 1.0 x 10^\( -7 \)

Correct Answer

Correct Option:

1.0 x 10^\( -5 \)

This is Post Utme Abu 2020 Chemistry Question 2. It is one of the objective questions from the 2020 Post Utme Abu Chemistry examination.

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