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Homework Help: Calculating concentrations

  1. Jul 22, 2008 #1


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    question states: Calculate the concentration of all species in a 0.240 M C6H5NH3Cl solution.

    first of all how do i know what the reaction is? secondly to i need to know the Ka value for the dissaciation for this - why isnt it given?
  2. jcsd
  3. Jul 22, 2008 #2


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    Staff: Mentor

    Aniline hydrochloride - salt of a weak base and a strong acid. You will need Kb of aniline or Ka of protonated aniline (hint: these are conjugated acid and base, so if you know one, you can calculate the other).

    Most likely Ka was not given to force you to look it up.

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