MDCAT Chemistry MCQ #439

A flask contains exactly 58 grams of propanone. How many total oxygen atoms are present in this specific quantity of the ketone?

MDCAT Chemistry MCQ #439

  1. Question 1

    Q1. A flask contains exactly 58 grams of propanone. How many total oxygen atoms are present in this specific quantity of the ketone?

    • A) 3.01x10^23
    • B) 6.02x10^23
    • C) 1.20x10^24
    • D) 1.81x10^24

    Answer: 6.02x10^23

    Explanation: 58g is exactly one mole of propanone, which contains one mole of oxygen atoms. 3.01x10^23 represents a half-mole quantity.