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Question 600001
JEE Chemistry · Easy

Mole Concept and Stoichiometry: Mole Definition MCQ

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Mole DefinitionEasyQuestion 600001

Question

One mole of any substance contains exactly:
  1. A
    6.022 × 10²² particles
  2. B
    6.022 × 10²³ particles
    Correct
  3. C
    6.022 × 10²⁴ particles
  4. D
    1.66 × 10⁻²⁴ particles

Correct answer

6.022 × 10²³ particles

Explanation

Avogadro's number NA = 6.022 × 10²³ mol⁻¹. One mole of any substance — atoms, molecules, ions — contains exactly this many particles.

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