Ammonia gas is produced by reacting hydrogen gas with nitrogen gas. To produce 450 g of ammonia gas using air as your source of nitrogen gas, what volume of air is required if the air is introduced at 25°C and 740 mmHg? (the mole fraction of nitrogen gas in air is 0.781)
A. 534 L
B. 338 L
C. 425 L
D. 290 L