Determine the number of entities (atoms or molecules) of O2 in a closed 6.68 L container at a pressure of 3.67x102 kPa and a temperature of 235.56 C. Report your answer to three significant figures. molecules Submit Answer Tries 0/99 A sample of H2 gas has a volume of 9.63x109 mL at 988 torr and 142.08 K. Calculate the new volume (in L), when the pressure of the gas is increased by 76.0 torr. Assume the temperature does not change. Submit Answer Tries 0/99