Waec Model Questions Vol1 2021 Chemistry Question 10

Practice objective / multiple choice question 10 from the 2021 Waec Model Questions Vol1 Chemistry examination.

Waec Model Questions Vol1 2021 Chemistry Objective / Multiple Choice Medium Difficulty
Question 10 WAEC_MODEL_QUESTIONS_VOL1 • 2021 • CHEMISTRY • objective

A 0.845 g sample of an unknown compound containing only C, H and O is combusted completely, producing 2.34 g of CO₂ and 0.945 g of H₂O. Determine the empirical formula of the compound and the mass of oxygen present in the original sample.

Answer Options

Correct Answer A. C8H16O, 0.101 g
B. C7H14O, 0.112 g
C. C9H18O, 0.089 g
D. C8H14O2, 0.095 g
Correct Answer
A
Correct Option:
C8H16O, 0.101 g

About This Question

This is Waec Model Questions Vol1 2021 Chemistry Question 10. It is a objective / multiple choice question from the 2021 Waec Model Questions Vol1 Chemistry examination.

Difficulty level: Medium .

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