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  Home > JCE Print > Journal of Chemical Education > Issues > 2002  > April  >
In the Laboratory
A Copper-Sulfate-Based Inorganic Chemistry Laboratory for First-Year University Students That Teaches Basic Operations and Concepts
Emilio Rodríguez and Miguel Angel Vicente
Departamento de Química Inorgánica, Universidad de Salamanca, 37008 Salamanca, Spain
Cover
April 2002
Vol. 79 No. 4
p. 486
Abstract
An integrated inorganic chemistry laboratory experiment for first-year students in Chemistry and Chemical Engineering is presented. It is based on copper sulfate and structured for a duration of about 10 hours, and has three steps: purification of a natural ore containing copper sulfate and insoluble basic copper sulfates, determination of the number of water molecules in hydrated copper sulfate, and recovery of metallic copper from copper sulfate. Many basic operations and concepts related to this experiment are studied: weighing; heating; filtration (simple and vacuum-assisted); purification; crystallization; pure compounds and mixtures; hydrated and anhydrous salts; solubility; unsaturated (dilute and concentrated), saturated, and supersaturated solutions; adsorbed and crystallization water; reversible dehydration; redox reaction; electrode potential; free energy; spontaneity; and catalysis.
More Information
*  Citation
 Rodríguez, Emilio; Vicente, Miguel Angel. J. Chem. Educ. 2002 79 486.
*  Keywords
 Inorganic Chemistry; Laboratory Instruction; Redox Reactions; Solutions / Solvents
*  History
 Created:
Last Updated:		 March 1, 2002
March 16, 2005
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