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Fence and rail (3 problems) picture in attachment.

  1. Apr 25, 2013 #1
    I honestly don't remember the teacher teaching this but I need help with.

    I attached image of #8, and #9

    Only those 2^

    Attached Files:

    Last edited: Apr 25, 2013
  2. jcsd
  3. Apr 25, 2013 #2


    User Avatar

    Staff: Mentor

    No idea what the fence and rail method is, but I suppose it was explained earlier in the book. Other than that, these are simple stoichiometry problems.
  4. Apr 25, 2013 #3
    Would you help me set up mass to mass?
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