Which One of These Samples Contains the Smallest Number of Molecules

question 26

Multiple Choice

Which one of these samples contains the smallest number of molecules?

• A) 1.0 L of H₂ at STP (0°C and 1atm)
• B) 1.0 L of N₂ at STP
• C) 1.0 L of H₂ at 20°C and 760 torr
• D) 1.0 L of N₂ at 0°C and 800 torr
• E) 1.0 L of He at STP

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