Determine the molar mass of each of the following gases:
0.93g of a gas that occupies 410mL at 0 °C and 1.00 atm (STP).
1.26g of a gas that occupies 1.00L at 0 °C and 760 mmHg (STP).
1.54g of a gas that occupies 1.40L at 680mmHg and 22.0°C.
3.0g of a gas that occupies 2.2L at 0.84atm and 19°C.