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Simple solutions question (dilution)

  1. Nov 4, 2012 #1
    1. The problem statement, all variables and given/known data


    Hi. If I have 3 mL of a Fe3+ solution (0.0007 mol/L) and that is treated with SCN- to form a complex and then is diluted until I have 100 mL of a solution.

    What would be the final concentraton of that solution?
    2. Relevant equations

    C1*M1= C2*M2

    3. The attempt at a solution

    I Thought of the equation above, but I know that the formation of that comple must change something!
     
  2. jcsd
  3. Nov 4, 2012 #2

    Borek

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    Staff: Mentor

    Concentration of what? You have several ions present (I can list about a dozen, but you don't have to know about most of them).
     
  4. Nov 4, 2012 #3

    symbolipoint

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    Homework Helper
    Education Advisor
    Gold Member

    How many moles of your target compound or ion? What final volume is the solution? Molarity is moles per Liter. Is thiocyanate ion added in excess of the ferric ion?
     
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