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If you filled up three balloons with equal volumes of hydrogen, argon, and carbon dioxide gas all at the same temperature and pressure, which balloon would weigh the most? which balloon would weigh the least?

  • chemistry - ,

    Just suppose the balloons had a volume of 22.4L. At STP 1 mol of gas occupies 22.4L; therefore, you would have 1 mol H2, 1 mol Ar, and 1 mol CO2. How much is a mole of each?

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