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Ammonia acts as a base in aqueous solution

  1. Nov 1, 2008 #1


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    1. The problem statement, all variables and given/known data

    Ammonia acts as a base in aqueous solution; Kb is equal to 1.8 x 10-5. What is the Ka for the ammonium ion NH4+ in aqueous solution?

    2. Relevant equations

    3. The attempt at a solution

    I am totally lost for this question, can someone please start me off? all i know is that Kw = Ka * Kb
  2. jcsd
  3. Nov 1, 2008 #2


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    Staff: Mentor

    Re: Kb

    You are given Kb, you should remember Kw value - just solve for Ka.
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