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Stoichiometry Mole Concept and Number of Molecules

1

Choose the best answer

Which sample contains the largest number of molecules?

Verified Answer & Explanation⌄

Correct Answer: A) 3.6 g H₂O

Concept Explanation

3.6 g H₂O = 0.20 mol 2.8 g CO = 0.10 mol 4.8 g C₂H₅OH ≈ 0.104 mol 5.4 g N₂O₅ = 0.05 mol Therefore, H₂O contains the most molecules.

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