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Stoichiometry Mole Concept and Number of Atoms

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The number of carbon atoms in 6 mg graphite is approximately:

Verified Answer & Explanation⌄

Correct Answer: C) 3.01 × 10²⁰

Concept Explanation

6 mg = 0.006 g. Moles of C = 0.006/12 = 5.0 × 10⁻⁴ mol. Number of atoms = 5.0 × 10⁻⁴ × 6.02 × 10²³ ≈ 3.01 × 10²⁰.

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