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Nitrous Oxide(N2O), or laghing gas, is mommonly used as a anesthetic in denistry and surgery. How many moles are present in 8.4 liters of nitrous oxide at STP?

  • chemistry -

    1 mole of any gas @ STP occupies 22.4L. Your sample is 8.4L. How many moles is that?

  • chemistry -

    2.66

  • chemistry -

    One mole of any gas at standard temperature and pressure (STP) is equal to 22.4 liters. To convert from liters to moles, simply multiply the given value (in liters) by the conversion factor (1 mol gas/22.4 L gas).
    (8.4 L N2O × 1 mol N2O) / (22.4 L N2O) = 0.375 moles N2O

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