A Student Doing a Laboratory Study on Determination of Molecular

Multiple Choice

A student doing a laboratory study on determination of molecular mass of gases obtained the following data for one of his unknowns: 6.155 grams of the gas occupied a volume of 1484 mL when its temperature was 27.3 °C and its pressure was 747.2 torr. Calculate the molecular mass of the gas, assuming ideal gas behavior.

A) 13.87 g mol ^-1
B) 30.40 g mol ^-1
C) 104.0 g mol ^-1
D) 106.7 g mol ^-1
E) 110.0 g mol ^-1