Neco 2022 Chemistry Question 38
Practice objective / multiple choice question 38 from the 2022 Neco Chemistry examination.
A buffer solution is prepared by dissolving 0.50\,mol of ammonia (\(NH_{3}\), \(K_{b}=1.8\times10^{-5}\)) and 0.30\,mol of ammonium chloride (\(NH_{4}Cl\)) in 2.00\,L of water. (a) Calculate the initial pH of the solution. (b) After adding 0.10\,mol of hydrochloric acid (\(HCl\)), what is the new pH?
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About This Question
This is Neco 2022 Chemistry Question 38. It is one of the objective questions from the 2022 Neco Chemistry examination.
Difficulty level: Medium .
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