Four Identical 1

question 69

Multiple Choice

Four identical 1.0-L flasks contain the gases He, Cl₂, CH₄, and NH₃, each at 0°C and
1 atm pressure.
-Which gas sample has the greatest number of molecules?

• A) He
• B) NH₃
• C) Cl₂
• D) CH₄
• E) All the gases have the same number of molecules.

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