9a) A sample of an unknown gas is found to have a density of1.07 g/L at a pressure of 0.783atm and a temperature of 56 °C. Assume idealbehavior. The molar mass of the unknown gas is ____g/mol.
b) A sample of oxygen gas has a density of_____g/L at a pressure of 1.20 atm and atemperature of 38 °C. Assume ideal behavior.
c) A mixture of xenon andoxygen gases, in a 6.72 L flaskat 39 °C, contains 38.4 grams ofxenon and 3.82 grams ofoxygen. The partial pressure ofoxygen in the flask is ____atm and the totalpressure in the flask is ____atm.
d) A mixture of carbon dioxide andhydrogen gases is maintained in a5.96 L flask at a pressure of2.47 atm and a temperature of 32°C. If the gas mixture contains 16.1 grams ofcarbon dioxide, the number of grams ofhydrogen in the mixture is _____g.
