determination of the formula of copper oxide

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Exp. 7 Lab Report Experiment 7 Title The Determination of

Purpose This experiment is designed to determine the empirical formula of copper oxide. The empirical formula is the simplest formula or lowest whole number ratio showing the number of atoms of each element in a compound. The empirical formula of copper oxide will be determined experimentally by decomposing the compound into its individual

sample CHEM lab report Sample Laboratory Report

Sample Laboratory Report: Determination of the Chemical Formula of a Copper Oxide Name: Joe A. Student Instructor: Bill J. Ta Partner: Jane B. Chemist Date Submitted: Jan. 1 2007 Objective: to determine the chemical formula of an unknown oxide of copper using the reaction of the oxide with methane gas.

1:36 practical: know how to determine the formula of a metal

Example: When copper II oxide is heated in a stream of methane the oxygen is removed from the copper II oxide producing copper carbon dioxide and water: 4CuO CH 4 gt 4Cu CO 2 2H 2 O. By comparing the mass of copper produced with the mass of copper oxide used it is possible to determine the formula of the copper oxide.

Determination of the Empirical Formula of a Copper Oxide Salt

The slope of these plots provides a measure of the mass fraction of the copper oxide salt that is copper and the empirical formula of the salt is determined for each chemical method using the slope.

3 Determination of the Empirical Formula of Copper Oxide

This experiment is designed to determine the empirical formula of copper oxide. Since copper has two common oxidation states 1 and 2 there are two possible forms of copper oxide: copper l oxide Cu O and copper ll oxide CuO. Copper oxide is insoluble in water but dissolves in acid. A weighed sample will be

2 Empirical Formula of a Copper Oxide W10

The Empirical Formula of a Copper Oxide Reading assignment: Chang Chemistry 10th edition pp. 5558. Goals The reaction of hydrogen gas with a copper oxide compound will be studied quantitatively. By measuring the masses of copper and oxygen in copper oxide we will determine its empirical formula. Equipment and Materials

How do you find the empirical formula of copper oxide

Copper oxide is black. When the reaction of copper oxide is completed brown copper metal is formed. The purpose of repeating the heating cooling and weighing process is to ensure complete reaction of the copper oxide. The empirical formula of copper oxide is CuO.

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