Post Utme Delsu 2019 Chemistry Question 20

Practice objective / multiple choice question 20 from the 2019 Post Utme Delsu Chemistry examination.

Post Utme Delsu 2019 Chemistry Objective / Multiple Choice

Question 20 POST_UTME_DELSU • 2019 • CHEMISTRY • objective

A 0.1 M solution of a weak acid HA is mixed with a 0.1 M solution of a weak base B. If the resulting solution has a pH of 5.5, what is the value of the acid dissociation cons\tant Ka?

A. \( 10^{-5} \)

Correct Answer B. \( 10^{-6} \)

C. \( 10^{-7} \)

D. \( 10^{-8} \)

Correct Answer

Correct Option:

\( 10^{-6} \)

This is Post Utme Delsu 2019 Chemistry Question 20. It is one of the objective questions from the 2019 Post Utme Delsu Chemistry examination.

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