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Verified Answer & Explanation⌄

Correct Answer: A) 18 mL liquid water

Concept Explanation

18 mL water ≈ 18 g = 1 mol H₂O. The other samples contain much less than 1 mol. Therefore, 18 mL water contains the most molecules.

Topic: Mole Concept and Number of MoleculesPractice more Mole Concept and Number of Molecules MCQs →