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Question 600076
JEE Chemistry · Easy

Mole Concept and Stoichiometry: Mole Definition MCQ

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Mole DefinitionEasyQuestion 600076

Question

1 mol of O₂ contains how many oxygen atoms?
  1. A
    6.022 × 10²³
  2. B
    1.204 × 10²⁴
    Correct
  3. C
    3.011 × 10²³
  4. D
    2 × 32

Correct answer

1.204 × 10²⁴

Explanation

1 mol O₂ = 6.022×10²³ molecules. Each molecule has 2 atoms → atoms = 2 × 6.022×10²³ = 1.204×10²⁴.

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