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Dialysis dilution question

  1. May 10, 2004 #1
    I just can't quite get my head around this one.. and i suspect that the question or my head may have an error!

    Sounds a bit like dilution eh? The way i tried to work it out was

    1) The 10ml sample contained 0.03 moles of salt (n=CV)

    2) The water removes salt at 0.03 (concentration is 0.03M, in 1L of water) moles per water change

    3) The required level of ammonium sulfate in the internal solution is 10^-5 moles

    And I'm already ran into trouble... the external solution has already removed all the salt in the solution in one go! Somethign is wrong here... thanks for anyones help!
  2. jcsd
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