Waec Model Questions Vol1 2018 Chemistry Question 49
Practice objective / multiple choice question 49 from the 2018 Waec Model Questions Vol1 Chemistry examination.
A 2.05 g mixture of CaCO₃ and Na₂CO₃ is heated so that both carbonates decompose completely, releasing CO₂ gas. The total volume of CO₂ collected at 298 K and 1 atm is 0.448 L. Calculate the mass percentage of CaCO₃ in the original mixture.
Answer Options
About This Question
This is Waec Model Questions Vol1 2018 Chemistry Question 49. It is one of the objective questions from the 2018 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.