posted by nicole .
A sample of nitrogen gas (N2) kept in a container of volume 13.3 L and at a temperature of 22.3°C exerts a pressure of 1.1 atm. Calculate the number of grams of gas present.
Use PV = nRT and solve for n = moles.
Then moles = grams/molar mass. You know moles and molar mass, solve for grams.