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A Simple Method for Determination of Solubility in the First-Year Laboratory
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Abstract
A method for determining solubility that is fast and requires only a Büchner-type filter funnel, a 500-mL round-bottom flask, and an analytical balance is described. The loss in weight of a compound after suction extraction with one liter of water produces the solubility in grams per liter of water. Because the method involves only two weighings and no transfer of precipitate it is also potentially quite accurate. The method can be used for both very soluble compounds and for compounds with solubilities as low as several mg per liter of water.
Keywords (Audience):
First-Year Undergraduate / GeneralKeywords (Domain):
Laboratory InstructionKeywords (Pedagogy):
Hands-On Learning / ManipulativesKeywords (Subject):
Solutions / SolventsCiting Articles
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This article has been cited by 4 ACS Journal articles (4 most recent appear below).
“Gone” into Solution: Assessing the Effect of Hands-On Activity on Students’ Comprehension of Solubility
Laura B. Bruck and Aaron D. Bruck, Amy J. PhelpsJournal of Chemical Education2010 87 (1), 107-112“Gone” into Solution: Assessing the Effect of Hands-On Activity on Students’ Comprehension of Solubility
Laura B. Bruck and Aaron D. Bruck, Amy J. PhelpsJournal of Chemical Education2010 87 (1), 107-112Solubility is challenging for many general chemistry students, and the interactions of aqueous species are difficult to conceptualize. Derived from the pedagogies of Johnstone, Bloom, and Piaget, our primary research questions probe whether students’ ...
Solubility Studies of Organic Compounds for Nonscience Majors
Mariella PassarelliJournal of Chemical Education2009 86 (7), 845Solubility Studies of Organic Compounds for Nonscience Majors
Mariella PassarelliJournal of Chemical Education2009 86 (7), 845Organic compounds with varying structure and functional groups are mixed with water and with each other in order for students to formulate a theory about the molecular basis of solubility. The exercise is designed as a guided-inquiry lab for an ...
Connecting Solubility, Equilibrium, and Periodicity in a Green, Inquiry Experiment for the General Chemistry Laboratory
Kristen L. Cacciatore , Jose Amado and Jason J. Evans , Hannah SevianJournal of Chemical Education2008 85 (2), 251Connecting Solubility, Equilibrium, and Periodicity in a Green, Inquiry Experiment for the General Chemistry Laboratory
Kristen L. Cacciatore , Jose Amado and Jason J. Evans , Hannah SevianJournal of Chemical Education2008 85 (2), 251We present a novel first-year chemistry laboratory experiment that connects solubility, equilibrium, and chemical periodicity concepts. It employs a unique format that asks students to replicate experiments described in different sample lab reports, each ...
A Concept-Based Environmental Project for the First-Year Laboratory: Remediation of Barium-Contaminated Soil by In Situ Immobilization
Heather D. Harle , Phyllis A. Leber , Kenneth R. Hess and Claude H. YoderJournal of Chemical Education2003 80 (5), 561A Concept-Based Environmental Project for the First-Year Laboratory: Remediation of Barium-Contaminated Soil by In Situ Immobilization
Heather D. Harle , Phyllis A. Leber , Kenneth R. Hess and Claude H. YoderJournal of Chemical Education2003 80 (5), 561This paper describes a laboratory project, designed for a first-year chemistry course, which uses environmental chemistry to teach concepts and techniques such as solubility determination, precipitation reactions, and the use of qualitative and ...
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- Received: August 03, 2009
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