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Homework Help: Please, please help with chemistry question?

  1. Sep 26, 2010 #1
    1. The problem statement, all variables and given/known data
    a mixture of methane (CH4) and ethane (C2H6) of mass 13.43 g is completely burned in oxygen. If the total mass of CO2 and H20 produced is 64.84 g, calculate the fraction of methane in the mixture.


    2. Relevant equations
    none


    3. The attempt at a solution
    I have absolutely no idea :/
     
  2. jcsd
  3. Sep 26, 2010 #2
    I'd be thinking along the lines of simultaneous equations...
     
  4. Sep 26, 2010 #3

    Borek

    User Avatar

    Staff: Mentor

    Good idea.

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