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Answer chemistry homework ?
Which of the following gas samples would have the largest volume, if all samples are at the same temperature and pressure?
9×1023 molecules of H2
3.01 moles CH4
168 grams of Kr
they would all have the same volume
1 Answer
- Roger the MoleLv 72 weeks ago
(9×10^23 molecules) / (6.022 x 10^23 molecules/mol) = 1.49 mol H2
3.01 moles CH4
(168 g Kr) / (83.798 g Kr/mol) = 2.005 mol Kr
The sample with the largest number of moles will have the largest volume, so the methane has the largest volume.
