Oven versus Bunsen Burner When Heating Copper(II) Chloride Dihydrate

Michael C. Wirtz
Science Department, Concord Academy, Concord, MA 01742
J. Chem. Educ., 2008, 85 (10), p 1345
DOI: 10.1021/ed085p1345.2
Publication Date (Web): October 1, 2008

Abstract

In “greening up” the classical stoichiometry experiment where students determine the formula of copper(II) chloride dihydrate, it is critical that teachers and instructors use a 110°C oven rather than a Bunsen burner. Copper(II) chloride dihydrate decomposes at temperatures above 300°C, releasing chlorine gas.

Keywords (Audience):

High School / Introductory Chemistry

Keywords (Domain):

Laboratory Instruction

Keywords (Feature):

Letters

Keywords (Pedagogy):

Communication / Writing

Keywords (Subject):

Copper
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History

  • Received: August 03, 2009

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