Waec Model Questions Vol1 2019 Chemistry Question 7
Practice objective / multiple choice question 7 from the 2019 Waec Model Questions Vol1 Chemistry examination.
A buffer solution is prepared by dissolving 0.20 mol of NH₄Cl and 0.10 mol of NH₃ in 1.00 L of water at 25 °C. (Ka for NH₄⁺ = 5.6 × 10⁻¹⁰.) Calculate the pH of the solution after 0.020 mol of HCl is added.
Answer Options
About This Question
This is Waec Model Questions Vol1 2019 Chemistry Question 7. It is a objective / multiple choice question from the 2019 Waec Model Questions Vol1 Chemistry examination.
Difficulty level: Medium .
Master the Exam!
You've seen a preview, but there are thousands more questions plus AI tutor to break down complex solutions.