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Stoichiometry Mole Concept and Number of Molecules

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A sample of H₂ contains 3.01 × 10²³ molecules. What is its approximate mass?

Verified Answer & Explanation⌄

Correct Answer: B) 1 g

Concept Explanation

3.01 × 10²³ molecules = 0.50 mol H₂. Mass = 0.50 × 2 = 1 g.

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