A 0465 G Sample of an Unknown Compound Occupies 245 ML

A 0.465 g sample of an unknown compound occupies 245 mL at 298 K and 1.24 bar.What is the molar mass of the unknown compound?

A) 26.3 g $\mathrm { mol } ^ { - 1 }$
B) 33.9 g $\mathrm { mol } ^ { - 1 }$
C) 12.2 g $\mathrm { mol } ^ { - 1 }$
D) 37.9 g $\mathrm { mol } ^ { - 1 }$
E) 81.8 g $\mathrm { mol } ^ { - 1 }$

Correct Answer:

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