Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Transcribed Image Text:**Title: Empirical Formula of Copper Chloride - Lab 6**
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**Objective:**
To understand the concept of empirical formulas, specifically focusing on the compound copper chloride (CuCl).
**Key Question:**
1. Copper (Cu) has two common oxidation states: +1 and +2. How could you determine the empirical formula of copper chloride when copper can vary between these oxidation states? Consider the compounds CuCl and CuCl₂.
**Discussion:**
- **Oxidation States:** Copper's oxidation states play a significant role in forming different types of copper chloride. The oxidation state affects the ratio of copper to chlorine atoms.
- **Empirical Formula:** Finding the empirical formula involves determining the simplest whole-number ratio of atoms in a compound. For copper chloride, this means identifying how many chlorine atoms are present per copper atom, depending on the oxidation state.
**Conclusion:**
Understanding copper's oxidation states and how they interact with chlorine can lead to a comprehension of its empirical formulas, CuCl and CuCl₂.
**Further Exploration:**
Experiment by reacting a known amount of copper with an excess of chlorine to see which empirical formula is formed, and compare experimental data with theoretical predictions.
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**Note:** This lab exercise is beneficial for students studying chemistry, providing practical insights into oxidation states and empirical formulas.
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