Igcse Model Questions Vol1 2019 Chemistry Question 5
Practice objective / multiple choice question 5 from the 2019 Igcse Model Questions Vol1 Chemistry examination.
A \(0.250\ \text{M}\) solution of acetic acid (\(\mathrm{CH_{3}COOH}\), \(K_{a}=1.8\times10^{-5}\)) is prepared. \(25.0\ \text{mL}\) of this solution is mixed with \(25.0\ \text{mL}\) of \(0.250\ \text{M}\) sodium acetate solution. (a) Calculate the pH of the resulting buffer. (b) How many millilitres of \(0.100\ \text{M}\) NaOH are required to raise the pH by \(0.50\) units?
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About This Question
This is Igcse Model Questions Vol1 2019 Chemistry Question 5. It is one of the objective questions from the 2019 Igcse Model Questions Vol1 Chemistry examination.
Difficulty level: Hard .
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