What is the volume occupied by 18.6 g of argon gas at a pressure of 1.19 atm and a temperature of 394 K? Express your answer with the appropriate units.
Compare the volume of 18.6 g of helium to 18.6 g of argon gas (under identical conditions).
The volume would be greater for helium gas.
The volume would be the same for helium gas.
The volume would be lower for helium gas.