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Homework Help: Chemical equilibrium

  1. Sep 10, 2017 #1
    • Please post this type of questions in HW section using the template and showing your work.
    I have a question about the solution (a) in this example, how does it know PH2S is the same as ammonia? is there something I've miss?
    upload_2017-9-10_14-37-32.png
     
  2. jcsd
  3. Sep 10, 2017 #2

    DrDu

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    Science Advisor

    Before adding H2S, the partial pressures of H2S and NH3 are equal because of the stoichiometry of the dissociation reaction.
     
  4. Sep 10, 2017 #3
    Oh yeah, I totally forgot about that. Thanks for your help :D
     
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