How Many Atoms of Helium Occupy 100

question 234

Multiple Choice

How many atoms of helium occupy 100.0 mL if the temperature is 100.°C and the pressure is 1.00 × 10^-2 Torr?

• A) 2.00 × 10¹⁹
• B) 3.26 × 10^-5
• C) 1.97 × 10¹³
• D) 4.00 × 10¹⁹
• E) 6.02 × 10²³

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