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Homework Help: Solubility and concentrations

  1. Jun 10, 2017 #1


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    1. The problem statement, all variables and given/known data
    Lithium phosphate, Li3PO4, has a solubility product Ksp = 2.37 × 10-4. What is the concentration of Li+ ions in a saturated solution of Li3PO4?

    3. The attempt at a solution

    What is the initial concentration of Lithium? Or does it matter?

    I got 0.163 M but answer says 0.0544 M

    Without it I can't do it!! Somebody please help. Thanks.
    Last edited: Jun 10, 2017
  2. jcsd
  3. Jun 10, 2017 #2


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    Staff: Mentor

    0.163 M looks OK to me, 0.0544 is three times too low (which suggests an obvious mistake).
  4. Jun 10, 2017 #3


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    Ok thanks for confirming.
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