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Chemistry pH problem

  1. May 3, 2006 #1
    What is the pH of a solution 0.1 M in ammonia and 0.141 M in ammonium chloride? (Kb for ammonia is 1.8e-5)

    i would really appreciate if someone can pt me in the right direction on how to solve this qn
  2. jcsd
  3. May 3, 2006 #2
    It will help if you write out the equation for [tex]K_{b}[/tex].

    Also, remember that ammonium chloride is soluble in water and dissociates completely, producing ammonium and chloride ions.
  4. May 3, 2006 #3


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    Staff: Mentor

    This is buffer question. You may use Henderson-Hasselbalch equation to solve it.
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