Solubility and Solubility Product Determination of a Sparingly Soluble Salt: A First-Level Laboratory Experiment
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Solubility and Solubility Product Determination of a Sparingly Soluble Salt: A First-Level Laboratory Experiment (696 views)

Bonomo RP, Tabbì G, Vagliasindi LI

Journal Of Chemical Education (ISSN: 0021-9584), 2012 Apr; 89(4): 545-547.

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Paper type: Journal Article,

Impact factor: 0.817, 5-year impact factor: 0.831

Url: http://www.scopus.com/inward/record.url?eid=2-s2.0-84858636176&partnerID=40&md5=6d2acc6fcea241ee25df033e594e3dbd

Keywords: Aqueous Solution Chemistry, First-Year Undergraduate General, Hands-On Learning Manipulatives, Inorganic Chemistry, Laboratory Instruction, Physical Chemistry, Precipitation Solubility,

Affiliations:
*** IBB - CNR ***

Dipartimento di Scienze Chimiche, Università Degli Studi di Catania, Viale A, Doria 6, 95125 Catania, Italy
Istituto di Biostrutture e Bioimmagini-CNR-Catania, Viale A. Doria 6, 95125 Catania, Italy
Consorzio Interuniversitario C.I.R.C.S.M.B., Via Celso Ulpiani, 27, 70125 Bari, Italy


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Solubility and Solubility Product Determination of a Sparingly Soluble Salt: A First-Level Laboratory Experiment

A simple experiment was devised to let students determine the solubility and solubility product, K-sp, of calcium sulfate dihydrate in a first-level laboratory. The students experimentally work on an intriguing equilibrium law: the constancy of the product of the ion concentrations of a sparingly soluble salt. The determination of solubility is proposed either in an equimolar precipitation of CaSO4 center dot 2H(2)O, from which the K-sp is obtained, or working with an excess of one of the two reagents.
Solubility and Solubility Product Determination of a Sparingly Soluble Salt: A First-Level Laboratory Experiment

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Solubility and Solubility Product Determination of a Sparingly Soluble Salt: A First-Level Laboratory Experiment

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8 Records (8 excluding Abstracts).
Total impact factor: 57.964 (57.964 excluding Abstracts).
Total 5 year impact factor: 56.53 (56.53 excluding Abstracts).

Last modified by Marco Comerci on Sunday 12 July 2020, 13:14:56
696 views. Last view on Wednesday 16 April 2025, 6:31:17