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April 24, 2014

Homework Help: chemistry

Posted by t on Sunday, January 31, 2010 at 4:02am.

Mass of Aspirin tablet: 0.357 g

10 mL of 1 M NaOH was added to the aspirin tablet in a 125 mL Erlenmeyer flask and heated to a boil. The solution was transferred to a 100 mL volumetric flask and the flask was filled to the mark with DI water.

1 mL of the solution was pipetted into a 50 mL volumetric flask; the flask was filled to the mark with FeCl3 solution.

I'm trying to find the mass in grams of ASA in the aspirin unknown. The concentration I got from my Beer's Law plot was 0.562 M. How do I go about finding the mass?

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