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dilution

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eribear:
4. A 26 mL sample of a solution of MgF2 was diluted with water to 65 mL. A 25 mL sample of the dilute solution was found to contain 0.09 moles of F-. What was the concentration of MgF2 in the original undiluted solution?

Donaldson Tan:
http://www.chemicalforums.com/index.php?board=2;action=display;threadid=58

Please refer to the above link for more information. You could at least demonstrate that you have clearly attempted doing the question. As much we like to help you, we are ethically against doing your homework for you.

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