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Homework Help: Aqueous solution

  1. Feb 24, 2009 #1
    1. The problem statement, all variables and given/known data

    The mass of potassium nitrate that could be recovered from a solution prepared at 60deg Celsius from 250g potassium nitrate and 250g water by cooling the solution to 10 deg Celsius.

    2. Relevant equations

    3. The attempt at a solution

    not to sure how to start this one any help would be appreciated
  2. jcsd
  3. Feb 24, 2009 #2
    at 60oC the solution can be saturated> 1:1 ratio so I figure once I know the solubility at 10oC I simply multiply 250g by the ratio? I am not to sure what the solubility of KNO3 at 10oC is
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