Waec Model Questions Vol1 2024 Chemistry Question 5

Practice essay / theory question 5 from the 2024 Waec Model Questions Vol1 Chemistry examination. This question covers Stoichiometry, Limiting reagent, Theoretical yield, Percent yield .

Waec Model Questions Vol1 2024 Chemistry Essay / Theory

Topics: Stoichiometry Limiting reagent Theoretical yield Percent yield

Question 5 WAEC_MODEL_QUESTIONS_VOL1 • 2024 • CHEMISTRY • essay

Calcium carbonate reacts with hydrochloric acid according to the balanced equation: CaCO₃(s) + 2 HCl(aq) → CaCl₂(aq) + CO₂(g) + H₂O(l) A student mixes 12.0 g of CaCO₃ with 15.0 g of HCl in a conical flask. Answer the following:

Question Parts

( a )

Identify the limiting reagent and show the calculations used to reach the conclusion.

( b )

Calculate the theoretical mass of carbon dioxide that can be produced.

( c )

If 4.5 g of CO₂ were actually collected, calculate the percent yield and state the theoretical mass of CaCl₂ that should have formed.

Detailed Solution & Marking Scheme

Get the step-by-step solution, key points required by examiners and detailed marking guidance through the Edcrib AI Tutor.

Reveal Answer

About This Question

This is Waec Model Questions Vol1 2024 Chemistry Question 5. It is one of the essay questions from the 2024 Waec Model Questions Vol1 Chemistry examination.

The question covers Stoichiometry, Limiting reagent, Theoretical yield, Percent yield .

View More Waec Model Questions Vol1 2024 Chemistry Questions More Waec Model Questions Vol1 Practice Questions Back to Questions

Master the Exam!

You've seen a preview, but there are thousands more questions plus AI tutor to break down complex solutions.

Unlock Full Access Available for Android & Windows

Chat with Support