Gce Model Questions Vol1 2017 Chemistry Question 25
Practice objective / multiple choice question 25 from the 2017 Gce Model Questions Vol1 Chemistry examination.
Benzoic acid (\(\mathrm{C_6H_5COOH}\), \(M = 122.12\ \mathrm{g\,mol^{-1}}\)) is dissolved in water to give \(0.250\ \mathrm{mol}\) of acid. Sodium hydroxide solution of concentration \(0.200\ \mathrm{mol\,L^{-1}}\) is added dropwise until the pH reaches 5.0. Given the acid dissociation constant \(K_a = 6.3 \times 10^{-5}\), calculate the volume of NaOH solution required (in millilitres).
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About This Question
This is Gce Model Questions Vol1 2017 Chemistry Question 25. It is one of the objective questions from the 2017 Gce Model Questions Vol1 Chemistry examination.
Difficulty level: Hard .
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