Determining solubility of unknown solid

Determining solubility of unknown solid - Determining...

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Determining solubility of unknown solid “A” and miscibility of unknown liquid “H” Scott M. Welch September 9, 2004 Department of Chemistry, McMurry University, Abilene, TX 79697 USA Abstract- Solubility and miscibility of an organic compound can lead to the determination of specific characteristics and functional groups of the compound. The importance in using simple lab techniques to determine the solubility or miscibility of unknown organic compounds is the recognition of how it interacts with polar and non-polar solvents. Using known solvents and other known organic compounds make it possible to see how the unknown interacts in a specific environment and how it relates to other known compounds. For purposes of this experiment the four known solvents will include: H2O (water), H2SO4 (Sulfuric acid), HCl (hydrochloric acid), and NaOH (sodium hydroxide). The two known organic compounds used for reference are Acetanilide and Salicylic Acid. Reactions with the known substances are performed first: Acetanilide does not react with water. The crystals do not dissolve and mostly descend to the bottom of the test tube. In sulfuric acid the crystals react and convert into a jelly like substance. This reaction is exothermic. In
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This essay was uploaded on 04/17/2008 for the course ORGANIC CH taught by Professor Jeffrey during the Fall '05 term at McMurry.

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Determining solubility of unknown solid - Determining...

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