Waec Model Questions Vol1 2020 Chemistry Question 36

Practice objective / multiple choice question 36 from the 2020 Waec Model Questions Vol1 Chemistry examination.

Waec Model Questions Vol1 2020 Chemistry Objective / Multiple Choice Hard Difficulty
Question 36 WAEC_MODEL_QUESTIONS_VOL1 • 2020 • CHEMISTRY • objective

A mixture of ethane (C2H6) and propane (C3H8) is burnt completely with excess oxygen. The combustion produces 88 g of CO2 and 50.4 g of H2O. Determine the mass percent of each hydrocarbon in the original mixture.

Answer Options

A. Ethane 50.0 % (by mass), Propane 50.0 % (by mass)
Correct Answer B. Ethane 40.5 % (by mass), Propane 59.5 % (by mass)
C. Ethane 45.0 % (by mass), Propane 55.0 % (by mass)
D. Ethane 30.0 % (by mass), Propane 70.0 % (by mass)
Correct Answer
B
Correct Option:
Ethane 40.5 % (by mass), Propane 59.5 % (by mass)

About This Question

This is Waec Model Questions Vol1 2020 Chemistry Question 36. It is one of the objective questions from the 2020 Waec Model Questions Vol1 Chemistry examination.

Difficulty level: Hard .

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