Lab Report 10.docx - Experiment 25 Synthesis of Metal Oxalate Compounds By Pooja Parikh Lab Partners Pratima Sarah Joseph CHEM 1212 Section J-07 TA Yi

Lab Report 10.docx - Experiment 25 Synthesis of Metal...

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Experiment 25Synthesis of Metal Oxalate CompoundsBy: Pooja ParikhLab Partners: Pratima, Sarah, Joseph4/3/18CHEM 1212 Section J-07TA: Yi CaoHonor Pledge-Freshmen Chemistry LaboratoriesI did not copy any portion of this work from the work of otherstudents, old lab reports, or unreferenced materials. Iunderstand that such activity is a violation of the Georgia TechHonor Code.________________________________________
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Abstract: The goal of this experiment was to explore coordination complexes with metal oxalates using stoichiometry to determine the yield of the synthesis reaction. Coordination complexes are compounds that consist of a central metal ion attached to a group of surrounding molecules, called ligands, by covalent bonds. In our synthesis reaction, 2.340 g cobalt(II) chloride hexahydrate reacted with 1.261 g oxalic acid dihydrate to form 1.885 g catena-poly[[diaquacobalt(II)]--oxalato]. We can determine that cobalt was the central metal ion while the oxalate served as the ligand that surrounded and attached to it. After conducting vacuum filtration on the final solution, we observed the formation of a brown sandy solid. We obtained a percent yield of 104.7%, which tells us that we ended up forming more product than the theoretical yield. Moreover, we calculated an E-factor of 63.66, indicating that our overall reaction had a significant amount of waste that therefore negatively impacts the environment.
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  • Fall '12
  • SOPER
  • Stoichiometry, Chemical reaction, synthetic reaction

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