Which of the following gas samples would have the largest volume, if all samples are at the same temperature and pressure? 0.110 moles CH4 41023 molecules of H2 2.00grams of He they would all have the same volume Which of the following gas samples would have the largest volume, if all samples are at the same temperature and pressure? 91023 molecules of H2 1.50 moles CH4 125 grams of Kr they would all have the same volume