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Stoichiometry Mole Concept and Number of Molecules

1

Choose the best answer

Which sample contains the maximum number of molecules?

Verified Answer & Explanation⌄

Correct Answer: D) 44.8 L NH₃ at STP

Concept Explanation

At 273 K and 1 atm: 11.2 L O₂ = 0.5 mol 16 g CH₄ = 1 mol 14 g N₂ = 0.5 mol 44.8 L NH₃ = 2 mol Therefore, 44.8 L NH₃ contains the most molecules.

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