The Department of Homeland Security discovered that 10.0 kg of nitrogen (N2) was mixed with 3.82 kg of a possibly toxic unknown gas. The resulting mixture occupies a volume of 2.00 m3 at 0.800 MPa and 65.0°C. Both gases and the mixture are ideal gases. Determine
a. The molecular mass of the gas mixture.
b. The volume fraction of each gas present in the mixture.