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The Empirical Formula of Silver Sulfide

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Carlos Alexander Trujillo

Departamento de Química, Universidad Nacional de Colombia, Ciudad Universitaria, Cra. 30 45-03 Bogotá, Colombia

J. Chem. Educ., 2007, 84 (10), p 1682

DOI: 10.1021/ed084p1682

Publication Date (Web): October 1, 2007

Abstract

An experiment is described that allows students to experimentally determine an empirical formula for silver sulfide. At elevated temperatures, silver sulfide reacts in air to form silver, silver sulfate, and sulfur dioxide. At higher temperatures (960 °C) silver sulfate decomposes to produce metallic silver.

Keywords (Audience):

First-Year Undergraduate / General

Keywords (Domain):

Laboratory Instruction

Keywords (Pedagogy):

Hands-On Learning / Manipulatives

Keywords (Subject):

Gravimetric Analysis

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History

Received: August 03, 2009

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The Empirical Formula of Silver Sulfide

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Related Content

Molar absorptivities in the ultraviolet and visible ranges for gas-phase monomeric and dimeric iron(III) chloride, vapor pressure of solid iron(III) chloride, and equilibrium between monomeric and dimeric iron(III) chloride

The Origin of the Circle Symbol for Aromaticity

A Graduated Cylinder Colorimeter: An Investigation of Path Length and the Beer-Lambert Law

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