Question 11 What is the volume of 17.0 grams of carbon dioxide gas if its pressure is 568 Torr and its temperature is 25 degrees Celsius? 4.2L O120.8 8.4 L 12.7L Solution Mole of carbon dioxide= mass/molar mass Molar mass of co2 =44g/mol Mole = 17/44=0.386 mole We use pv=nrt Pressure=568 torr. = 0.747 atm R = 0.08206atm.L/mol.k 0.747*V= 0.386*0.07206*298 Volume=12.7 L.