Neco 2021 Chemistry Question 12
Practice objective / multiple choice question 12 from the 2021 Neco Chemistry examination.
A buffer solution is prepared by mixing 0.250 mol of the weak acid HA ( \(K_a = 1.8\times10^{-5}\) ) with 0.150 mol of its sodium salt NaA in a total volume of 1.00 L. Then 0.050 mol of HCl is added. Calculate the pH of the solution after the addition.
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About This Question
This is Neco 2021 Chemistry Question 12. It is one of the objective questions from the 2021 Neco Chemistry examination.
Difficulty level: Medium .
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