How Many Atoms of He Gas Are Present in a 450

question 109

Multiple Choice

How many atoms of He gas are present in a 450 mL container at 35 ^$\circ$ C and 740 mmHg

• A) 0.017 He atoms
• B) 0.068 He atoms
• C) 1.2 x 10⁵ He atoms
• D) 1.0 x 10²² He atoms
• E) 7.9 x 10²⁴ He atoms

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