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Assume That Helium Behaves as an Ideal Gas

Question 198

Multiple Choice

Assume that helium behaves as an ideal gas.  What is the estimated density of 1.0 g of helium gas at a temperature of 27 °C and a pressure of 3.0 atm? (Note:  Use R = 0.0821 L∙atm∙mol−1∙K−1)


A) 1.3 × 10−4 g/mL
B) 5.0 × 10−4 g/mL
C) 1.0 × 10−3 g/mL
D) 1.4 × 10−3 g/mL

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