Which sample contains the greatest number of moles?

Verified Answer & Explanation⌄

Correct Answer: C) 67.2 dm³ CO₂ at STP

Concept Explanation

At 273 K and 1 atm: 11.2 dm³ = 0.5 mol 44.8 dm³ = 2 mol 67.2 dm³ = 3 mol 22.4 dm³ = 1 mol Therefore, 67.2 dm³ CO₂ contains the greatest number of moles.

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