Neco 2020 Chemistry Question 37
Practice objective / multiple choice question 37 from the 2020 Neco Chemistry examination.
A buffer solution contains 0.150 mol of acetic acid and 0.100 mol of sodium acetate in 1.00 L of water. The acid dissociation constant of acetic acid is \(K_a=1.8\times10^{-5}\). After adding 0.020 mol of \(\mathrm{HCl}\) to the solution, what is the new pH? Give your answer to two decimal places.
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About This Question
This is Neco 2020 Chemistry Question 37. It is one of the objective questions from the 2020 Neco Chemistry examination.
Difficulty level: Medium .
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