Neco Model Questions Vol1 2019 Chemistry Question 22
Practice objective / multiple choice question 22 from the 2019 Neco Model Questions Vol1 Chemistry examination.
0.250 mol of acetic acid (\(\mathrm{CH_3COOH}\)) and 0.150 mol of sodium acetate (\(\mathrm{CH_3COONa}\)) are dissolved in 1.00 L of water to form a buffer. The \(pK_a\) of acetic acid is 4.76. After adding 0.050 mol of hydrochloric acid (\(\mathrm{HCl}\)) to the buffer, what is the new pH of the solution? Give your answer to two decimal places.
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About This Question
This is Neco Model Questions Vol1 2019 Chemistry Question 22. It is one of the objective questions from the 2019 Neco Model Questions Vol1 Chemistry examination.
Difficulty level: Medium .
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