Neco 2025 Chemistry Question 35
Practice objective / multiple choice question 35 from the 2025 Neco Chemistry examination.
A 0.250 M solution of the weak monoprotic acid HA ( \(K_a = 1.8\times10^{-5}\) ) has a volume of 250.0 mL. To this solution 0.0100 mol of NaOH is added and the mixture is allowed to equilibrate at 25 °C. (a) Calculate the pH of the resulting buffer solution. (b) How many millilitres of 0.100 M HCl are required to titrate the remaining HA to the equivalence point?
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About This Question
This is Neco 2025 Chemistry Question 35. It is one of the objective questions from the 2025 Neco Chemistry examination.
Difficulty level: Medium .
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