A sample of an unknown gas effuses in 128 min an equal
A sample of an unknown gas effuses in 12.8 min. An equal volume of H2 in the same apparatus at the same temperature and pressure effuses in 2.11 min. What is the molar mass of the unknown gas?
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a sample of an unknown gas effuses in 128 min an equal volume of h2 in the same apparatus at the same temperature and
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