Question

Which of the following statements is true about gasses?

1)Density cannot be determined for a gas.
2)The volume of a gas is always equal to the volume of the enclosing container.
3)The density of a gas equals volume per unit mass.
4)A balloon containing a gas with greater density than air will rise.

I think it is 2 but I'm not sure

Answer 1

2)The volume of a gas is always equal to the volume of the enclosing container.

Step-by-step explanation:

Answer 2

I also believe that the answer is 2.