Waec Model Questions Vol1 2024 Chemistry Question 1
Practice objective / multiple choice question 1 from the 2024 Waec Model Questions Vol1 Chemistry examination.
A wastewater stream of 500 L has a pH of 4.0 and contains 0.02 M bicarbonate (HCO₃⁻). The plant wants to raise the pH to 7.0 by adding solid calcium hydroxide, Ca(OH)₂. Assuming the bicarbonate acts as a buffer that consumes one mole of OH⁻ per mole of HCO₃⁻ to form CO₃²⁻, calculate the mass of Ca(OH)₂ required (in grams).
Answer Options
About This Question
This is Waec Model Questions Vol1 2024 Chemistry Question 1. It is one of the objective questions from the 2024 Waec Model Questions Vol1 Chemistry examination.
Difficulty level: Hard .
Master the Exam!
You've seen a preview, but there are thousands more questions plus AI tutor to break down complex solutions.