# Problem: Calculate the density, in grams per liter, of a gas at STP if 4.05 L of the gas at 44.6°C and 701.8 mm Hg weighs 0.649 g.

###### Problem Details

Calculate the density, in grams per liter, of a gas at STP if 4.05 L of the gas at 44.6°C and 701.8 mm Hg weighs 0.649 g.