Igcse Model Questions Vol1 2023 Chemistry Question 10
Practice objective / multiple choice question 10 from the 2023 Igcse Model Questions Vol1 Chemistry examination.
A buffer solution is prepared by dissolving 0.20 mol of acetic acid (\(\mathrm{CH_3COOH}\), \(K_a = 1.8 \times 10^{-5}\)) and 0.10 mol of sodium acetate (\(\mathrm{CH_3COONa}\)) in enough water to make 1.0 L of solution. (a) Calculate the initial pH of the solution. (b) After adding 0.05 mol of hydrochloric acid (\(\mathrm{HCl}\)), calculate the new pH of the solution.
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This is Igcse Model Questions Vol1 2023 Chemistry Question 10. It is one of the objective questions from the 2023 Igcse Model Questions Vol1 Chemistry examination.
Difficulty level: Medium .
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