Waec Model Questions Vol1 2020 Chemistry Question 2
Practice objective / multiple choice question 2 from the 2020 Waec Model Questions Vol1 Chemistry examination.
A 1.00 L aqueous solution contains 0.20 mol of a weak acid HA and 0.30 mol of its conjugate base A⁻ (from NaA). The measured pH of the solution is 4.75. Calculate the acid dissociation constant Ka of HA.
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About This Question
This is Waec Model Questions Vol1 2020 Chemistry Question 2. It is a objective / multiple choice question from the 2020 Waec Model Questions Vol1 Chemistry examination.
Difficulty level: Medium .
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