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Unformatted text preview: Next was the unknown liquid. Unknown Liquid Trial # Mass (g) Volume (ml) Density (g/ml) 1 9.353 10 .9353 2 9.352 10 .9352 3 9.352 10 .9352 *The data provided by the calculations from the unknown liquid gave very inconclusive results. It was necessary to re-measure and re-calculate to attempt a result closer to the given densities. Unknown Liquid Trial # Mass (g) Volume (ml) Density (g/ml) 1 9.255 10 .9255 2 9.254 10 .9254 3 9.255 10 .9255 With the new measurements we were able to determine with a percentage error of only 2.8% that the unknown liquid in our experiment was Ethyl Acetate. Conclusion The unknowns in our experiment were proven to be zinc and Ethyl Acetate....
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This note was uploaded on 04/18/2008 for the course CHEM 2070 taught by Professor Chirik,p during the Fall '05 term at Cornell University (Engineering School).
- Fall '05