A gas is held under conditions of standard temperature and pressure. It is found that 44.0 grams of the gas occupies a volume of 22.4 L under these conditions. What is the gas?

Answer :

Answer:

CO2

Explanation:

(I Just took the test)

At STP 1 mol=22.4 Liters, so we now know that it is asking for which of the gasses has a molar mass of 44, and CO2 is th only one with that molar mass