How to find molecular mass?

With two effusion rates, how do you find the molecular mass of one?

  • The effusion rate of hydrogen sulfide (H2S) is 1.50 mol/s. Another gas under similar conditions effuses at a rate of 1.25 mol/s. What is the molecular mass of the second gas?

  • Answer:

    Jonathan, If it's not too late, then this might help you, Graham's Law of Effusion http://library.thinkquest.org/12596/graham.html Good luck! Ms. Miche ; })

╘ JONATHAN ╛ at Yahoo! Answers Visit the source

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