The figures below represent a gas trapped in containers. The orange balls represent individual gas atoms. Container A on the left has a volume that is one-half the volume of container B on the right.
A

B

a. How does the mass of gas in one container compare with the mass of gas in the other?
b. Which container has the greater density of gas?
c. If the volume of container A were increased to the same volume as container B, how would the density of the gas in container A change?