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CHEM 1&2 Lab Manual & worksheets pg 86

CHEM 1&2 Lab Manual & worksheets pg 86 -...

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Experiment 5: Empirical Formula General Chemistry I and II Lab Manual Dakota State University Page 86 of 232 even steam, heat the crucible vigorously until the bottom is, again, red hot. Once hot, remove the heat, put the lid fully on the crucible with crucible tongs, and allow the crucible to cool. Once cool, using crucible tongs, determine the mass of the crucible, lid and the anhydrous salt.
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Unformatted text preview: anhydrous salt. To be sure all of the water has been driven off, repeat the step for drying the salt, and again determine the mass of the crucible, lid and anhydrous salt. If the mass of the crucible, lid and anhydrous salt is greater than 0.02 g between the two drying steps for the salt, repeat this step one more time. Dispose of the anhydrous salt as instructed to do so in lab....
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