A sample of a particular freon in a bulb has a pressure of ______.

a. Not enough information provided
b. 1 atm
c. 0.5 atm
d. 2 atm

To determine the molar mass and formula of the compound, which additional information is required?

a. Temperature of the sample
b. Volume of the bulb
c. Number of moles in the sample
d. Density of the compound