# Chemistry

posted by
**Thao**
.

If a certain gas has a density of 2.34 g/L at 27.0C and 742 torr, what is the molar mass of this gas?

I am not sure what formula to use to solve this problem.

posted by
**Thao**
.

If a certain gas has a density of 2.34 g/L at 27.0C and 742 torr, what is the molar mass of this gas?

I am not sure what formula to use to solve this problem.