1. Estimate the molar mass of a pure gas that has a density of1.40g/L at STP?
2. Determine how many grams of gas are present in a sample the has a mol as mass of 70.0 g/mol and occupies a 2.00L container at 117 kPa and 35.1c?
3. Determine the grams of N2 gas presented in a 6.00Lsample kept at 1.00 atm pressure and a temperature of 22.0c?