Neco 2023 Chemistry Question 27
Practice objective / multiple choice question 27 from the 2023 Neco Chemistry examination.
A solution is prepared by dissolving 0.50 mol of a weak acid HA (\(K_a = 1.2\times10^{-5}\)) in 2.0 L of water. Then 0.20 mol of its conjugate base \(A^-\) is added. Calculate the pH of the resulting buffer solution, giving your answer to two decimal places.
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About This Question
This is Neco 2023 Chemistry Question 27. It is one of the objective questions from the 2023 Neco Chemistry examination.
Difficulty level: Medium .
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