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Question 600007
JEE Chemistry · Easy

Mole Concept and Stoichiometry: Avogadro Number MCQ

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Avogadro NumberEasyQuestion 600007

Question

The mass of one atom of carbon-12 is:
  1. A
    12 g
  2. B
    12 / 6.022×10²³ g
    Correct
  3. C
    6.022×10²³ g
  4. D
    1 g

Correct answer

12 / 6.022×10²³ g

Explanation

Mass of one atom = molar mass / NA = 12 / 6.022×10²³ ≈ 1.99×10⁻²³ g.

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