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construct the appropriate calibration curve as described in this lab and determine the %(W/W) of fluoride in the original toothpaste sample:
Fluoride standard mV
3.0 ppm 49
5.3 ppm 33
7.5 ppm 24
10.0 ppm 17
12.0 ppm 12
unknown (from 0.54g toothpaste) 15

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