Waec Model Questions Vol1 2025 Chemistry Question 20

Practice objective / multiple choice question 20 from the 2025 Waec Model Questions Vol1 Chemistry examination.

Waec Model Questions Vol1 2025 Chemistry Objective / Multiple Choice Medium Difficulty
Question 20 WAEC_MODEL_QUESTIONS_VOL1 • 2025 • CHEMISTRY • objective

A compound contains 40.0 % C, 6.7 % H and 53.3 % O by mass and has a molar mass of 180 g mol⁻¹. Determine its molecular formula and the number of moles present in a 45.0 g sample.

Answer Options

A. C6H12O6; 0.30 mol
B. C5H10O5; 0.25 mol
Correct Answer C. C6H12O6; 0.25 mol
D. C7H14O7; 0.25 mol
Correct Answer
C
Correct Option:
C6H12O6; 0.25 mol

About This Question

This is Waec Model Questions Vol1 2025 Chemistry Question 20. It is a objective / multiple choice question from the 2025 Waec Model Questions Vol1 Chemistry examination.

Difficulty level: Medium .

View All Waec Model Questions Vol1 2025 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