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    Mass percentage of helium in a mixture.

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    Assume a mixture of radon and helium is separated by diffusion. What % by weight of the gases would be helium?

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    https://brainmass.com/chemistry/stoichiometry/mass-percentage-helium-mixture-20104

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    If we assume equal number of Radon and Helium (which is the normal decay ...

    Solution Summary

    The mass percentage of helium in a mixture is found.

    $2.19

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