MDCAT Chemistry MCQ #4522

A sample of 44.8 dm³ of ethane (C₂H₆) is completely burned in excess oxygen at STP. Calculate the volume of CO₂ produced.

MDCAT Chemistry MCQ #4522

  1. Question 1

    Q1. A sample of 44.8 dm³ of ethane (C₂H₆) is completely burned in excess oxygen at STP. Calculate the volume of CO₂ produced.

    • A) 22.4 dm³
    • B) 44.8 dm³
    • C) 67.2 dm³
    • D) 89.6 dm³

    Answer: 67.2 dm³

    Explanation: 1 mole of C₂H₆ produces 2 moles of CO₂. At STP, 1 mole = 22.4 dm³. Distractor B ignores molar ratio.