Gce Model Questions Vol1 2017 Chemistry Question 26
Practice objective / multiple choice question 26 from the 2017 Gce Model Questions Vol1 Chemistry examination.
A \(1.00\ \text{L}\) aqueous solution contains \(0.20\ \text{mol}\) of a weak acid HA (\(K_a = 1.8 \times 10^{-5}\)) and its sodium salt NaA. The measured pH of the solution is \(4.75\). Calculate the percentage of the acid that is dissociated.
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About This Question
This is Gce Model Questions Vol1 2017 Chemistry Question 26. It is one of the objective questions from the 2017 Gce Model Questions Vol1 Chemistry examination.
Difficulty level: Medium .
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