(a) What is the final volume, in Liters, of a 51.0 Liter gas container that is decreased in temperature from 219.6 K to 123.9 K while the pressure is...

(a) What is the final volume, in Liters, of a 51.0 Liter gas container that is decreased in temperature from 219.6 K to 123.9 K while the pressure is increased from 6.89 atm to 17.54 atm ?

(b) Suppose the final volume of the gas weigh 0.356 gram and the gas is converted to STP. What is the molar mass of the gas?

For credit, please show your work with the correct set ups, road-maps, show units and unit interactions throughout your work with the correct number of significant figures in the final answers: use textbook formatting