What volume 12.5 g of argon gas occupies at a pressure of 1.22 atm and a temperature of 352 K? If the sample were 12.5 g of helium, would the volume be different under identical conditions?

• A. Yes. Under identical conditions, 12.5 g of argon and 12.5 g of helium would occupy 7.41 L.
• B. Yes. Under identical conditions, 12.5 g of argon and 12.5 g of helium would occupy 295 L.
• C. No. Under identical conditions, 12.5 g of argon would occupy a volume of 7.41 L, whereas 12.5 g of helium would occupy a volume of 73.9 L.
• D. No. Under identical conditions, 12.5 g of argon would occupy a volume of 295 L, whereas 12.5 g of helium would occupy a volume of 73.9 L.
• E. No. Under identical conditions, 12.5 g of argon would occupy a volume of 7.41 L, whereas 12.5 g of helium would occupy a volume of 132 L.
• F. No. Under identical conditions, 12.5 g of argon would occupy a volume of 295 L, whereas 12.5 g of helium would occupy a volume of 132 L.

Answer: (C)