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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![**Question: Why do you use gold nitrate when electroplating with gold?**
**Electroplating with Gold**
Electroplating is a process where a coating of gold is applied to the surface of a material. This is done to improve the material’s appearance and protect it from corrosion. During this process, a solution containing gold ions is used to facilitate the transfer of the gold onto the material’s surface.
**Role of Gold Nitrate**
Gold nitrate is used in the electroplating process because it provides a stable and high-purity source of gold ions. The chemical formula for gold nitrate is Au(NO₃)₃.
Benefits of Using Gold Nitrate in Electroplating:
1. **Purity**: Gold nitrate ensures a high level of purity in the electroplated gold.
2. **Stability**: This compound is stable and dissolves well in water, making it easier to control the concentration of gold ions in the electroplating solution.
3. **Efficient Electroplating**: It ensures a consistent and smooth layer of gold coating on the material.
In summary, gold nitrate is essential in the electroplating process because it provides a reliable and high-quality source of gold ions, which improves the efficiency and quality of the gold coating applied to materials.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F5106b7d5-4699-43ee-ae46-0af4e3f0b206%2F0293ee72-6742-47bf-bf33-b19f7901dd8e%2Fyuy2jp_processed.jpeg&w=3840&q=75)
Transcribed Image Text:**Question: Why do you use gold nitrate when electroplating with gold?**
**Electroplating with Gold**
Electroplating is a process where a coating of gold is applied to the surface of a material. This is done to improve the material’s appearance and protect it from corrosion. During this process, a solution containing gold ions is used to facilitate the transfer of the gold onto the material’s surface.
**Role of Gold Nitrate**
Gold nitrate is used in the electroplating process because it provides a stable and high-purity source of gold ions. The chemical formula for gold nitrate is Au(NO₃)₃.
Benefits of Using Gold Nitrate in Electroplating:
1. **Purity**: Gold nitrate ensures a high level of purity in the electroplated gold.
2. **Stability**: This compound is stable and dissolves well in water, making it easier to control the concentration of gold ions in the electroplating solution.
3. **Efficient Electroplating**: It ensures a consistent and smooth layer of gold coating on the material.
In summary, gold nitrate is essential in the electroplating process because it provides a reliable and high-quality source of gold ions, which improves the efficiency and quality of the gold coating applied to materials.
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