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April 25, 2014

Homework Help: chemistry

Posted by Kelcie on Sunday, October 28, 2012 at 9:32pm.

You extract the iron from a tablet and dilute that to 350.0 ml in a volumetric flask. You transfer 0.500 ml of this solution to a 75.0 ml volumetric flask and dilute this to volume. When you measure the concentration of this solution, you find that it is 1.87 ppm Fe. How many milligrams of Fe were in the tablet?

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