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Stoichiometry Mole Concept and Number of Atoms

1

Choose the best answer

How many atoms are present in 0.1 mol of a triatomic gas? NA = 6.02 × 10²³ mol⁻¹

Verified Answer & Explanation⌄

Correct Answer: B) 1.806 × 10²³

Concept Explanation

0.1 mol triatomic molecules contain: 0.1 × 3 = 0.3 mol atoms. Number of atoms = 0.3 × 6.02 × 10²³ = 1.806 × 10²³.

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