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Diffusion of Water through a Differentially Permeable Membrane

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Maria Guadalupe Bertoluzzo , Fabio E. Quattrin , Stella Maris Bertoluzzo and Ruben Rigatuso

Facultad de Ciencias Bioquímicas y Farmacéuticas, Unr. Suipacha 531-(2000) Rosario, Argentina

J. Chem. Educ., 2003, 80 (9), p 1032A

DOI: 10.1021/ed080p1032A

Publication Date (Web): September 1, 2003

Abstract

When a solution of potassium hexacyanoferrate(II), K₄Fe(CN)₆, comes in contact with a solution of copper(II) sulfate, CuSO₄, a colloidal precipitate, copper(II) hexacyanoferrate(II), Cu₂Fe(CN)₆, is formed according to the reaction 2Cu²⁺(aq) + [Fe(CN)₆]^4-(aq) → Cu₂Fe(CN)₆(s). In this Activity, students investigate the process of osmosis through the differentially-permeable membrane formed by this precipitate.

Keywords (Audience):

High School / Introductory Chemistry

Keywords (Domain):

Physical Chemistry

Keywords (Feature):

JCE Classroom Activity

Keywords (Pedagogy):

Hands-On Learning / Manipulatives

Keywords (Subject):

Transport Properties

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History

Received: August 03, 2009

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Activity

Diffusion of Water through a Differentially Permeable Membrane

Abstract

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History

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Related Content

Toward the Development of Molecular Wires: A Terpyridine Spacer Containing Polyferrocenylalkyne Linkages

A Comparison of Electron-Transfer Dynamics in Ionic Liquids and Neutral Solvents

Nitric Oxide Regulation of Cyclic di-GMP Synthesis and Hydrolysis in Shewanella woodyi

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