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Acids and Bases-(salt solutions)

  1. Apr 6, 2009 #1
    1. The problem statement, all variables and given/known data
    Soldium azide, NaN3 is sometimes added to water to kill bacteria. Calculate the concentration of all species in a 0.010 M solution of NaN3. The Ka value for hydrazoic acid, HN3 is 1.9X10^-5.

    2. Relevant equations

    3. The attempt at a solution
    I'm sort of confused because in the beginning i know that i have to separate NaN3 into its component elements..so in this case..NaN3-->Na+N3? or is it NaN3-->Na+3N?
  2. jcsd
  3. Apr 7, 2009 #2


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    Staff: Mentor

    NaN3 is a salt of a weak acid HN3.
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