Using water, how could you distinguish between the white solids KCl and PbCl,?

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
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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**Question:**

Using water, how could you distinguish between the white solids KCl and PbCl₂?

**Instructions:**

Use the editor to format your answer. 

**Explanation:**

To distinguish between the two compounds (KCl and PbCl₂), consider their solubility in water. Potassium chloride (KCl) is highly soluble in water, while lead(II) chloride (PbCl₂) is poorly soluble at room temperature. When you add water:

1. **KCl** will dissolve completely, creating a clear solution.
2. **PbCl₂** will not dissolve as easily. You might observe undissolved particles, and the solution may appear cloudy or only partly clear.

By observing the solubility of the solid in water, you can differentiate between them.
Transcribed Image Text:**Question:** Using water, how could you distinguish between the white solids KCl and PbCl₂? **Instructions:** Use the editor to format your answer. **Explanation:** To distinguish between the two compounds (KCl and PbCl₂), consider their solubility in water. Potassium chloride (KCl) is highly soluble in water, while lead(II) chloride (PbCl₂) is poorly soluble at room temperature. When you add water: 1. **KCl** will dissolve completely, creating a clear solution. 2. **PbCl₂** will not dissolve as easily. You might observe undissolved particles, and the solution may appear cloudy or only partly clear. By observing the solubility of the solid in water, you can differentiate between them.
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We are given two ionic solids, KCl and PbCl2. We have to distinguish them by using water.

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