A 1.00 g sample of an unknown gas occupies 418 mL at 23.0 oC and 715 torr. Calculate the density at 23.0 oC and the molar mass of the gas.
A. 0.434 g/L, 111.9 g/mol
B. 2.39 g/L, 61.7 g/mol
C. 2.39 g/L, 16.2 g/mol
D. 2.39 x 10-3 g/L, 61.7 g/mol
E. 0.434 g/L, 16.2 g/mol