Waec Model Questions Vol1 2021 Chemistry Question 8
Practice objective / multiple choice question 8 from the 2021 Waec Model Questions Vol1 Chemistry examination.
A 0.050 mol sample of oxalic acid (H₂C₂O₄, diprotic, Ka₁ = 5.6×10⁻², Ka₂ = 6.4×10⁻⁵) is dissolved in 250.0 mL of water. How many millilitres of 0.200 M NaOH are required to adjust the solution to pH = 3.00? (Assume the second dissociation is negligible at this pH.)
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About This Question
This is Waec Model Questions Vol1 2021 Chemistry Question 8. It is one of the objective questions from the 2021 Waec Model Questions Vol1 Chemistry examination.
Difficulty level: Hard .
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