Gce Model Questions Vol1 2020 Chemistry Question 12
Practice objective / multiple choice question 12 from the 2020 Gce Model Questions Vol1 Chemistry examination.
A buffer solution contains 0.250 mol of acetic acid (CH\(_3\)COOH) and an unknown amount of sodium acetate. The pH of the buffer is 4.75. Given \(K_a = 1.8\times10^{-5}\) for acetic acid, calculate the mass of sodium acetate (NaCH\(_3\)COO) required to obtain this pH. (Molar mass NaCH\(_3\)COO = 82.03 g mol\(^{-1}\).)
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This is Gce Model Questions Vol1 2020 Chemistry Question 12. It is one of the objective questions from the 2020 Gce Model Questions Vol1 Chemistry examination.
Difficulty level: Medium .
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