Lab 11 Chem.docx - Jacob Kent Chem 253- Ruwen Yin Partner:...

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Jacob KentChem 253- Ruwen YinPartner: Nathan JatzcakSection: 013Structure, Name, and PropertiesI have determined the unknown of 84 to have the following structure:Info:IUPAC name: ChlorobenzeneChemical Formula: C6H5ClMolecular weight: 112.56 g/molBoiling point: 131°CMelting Point: -45°CDensity: 1.11 g/cm3Dangers: Flammable, toxic if inhaled, irritant to the skin and eyes.Mass Spectrometry:Mass spectroscopy works by exerting a forceful approach to determine molecularstructures. When a molecule enters the spectrum it is attack by high-energy electrons whichbreak it down into fragments. These fragments are pushed and pulled along a path until theycollide into an ion collector at the end of their travel. When looking at a mass spectrum todetermine what the peaks show you need to know that each peak is characterized by the mass-to-charge ratio from the ion it came from and the ion-beam intensity. The height of the ion’speak is proportional to the ion-beam intensity. The most intense peak found is named the basepeak and is assigned relatively close to 100. The other peaks intensities are collected aspercentages of the base peak. The parent peak is the last peak on the graph, it is the heaviestpeak, and from it we can assume it to be the molecular weight of the compound.

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Term
Fall
Professor
Dr.RichardHartung
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