100 KI 90 80 70 KNO3 60 50 40 30 20 10 Solute per 100 g of H₂O (g) 0 NH,CI KCIO 0 10 20 30 40 50 60 70 80 90 100 Temperature (°C) What mass of KNO3 is in a 100. g of a saturated solution at 50 °C? mass KNO3 = [?] g Enter Round to the nearest 5 grams.
100 KI 90 80 70 KNO3 60 50 40 30 20 10 Solute per 100 g of H₂O (g) 0 NH,CI KCIO 0 10 20 30 40 50 60 70 80 90 100 Temperature (°C) What mass of KNO3 is in a 100. g of a saturated solution at 50 °C? mass KNO3 = [?] g Enter Round to the nearest 5 grams.
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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![### Determining the Mass of KNO₃ in a Saturated Solution at 50°C
To determine the mass of KNO₃ (potassium nitrate) in a 100 g saturated solution at 50°C, refer to the provided solubility graph. The solubility graph plots the temperature (in °C) on the x-axis and the solubility (in grams of solute per 100 grams of H₂O) on the y-axis. The graph contains solubility curves for several solutes, including KI, NH₄Cl, KNO₃, and KClO₃.
#### Steps to Find the Mass of KNO₃:
1. **Identify the KNO₃ curve on the graph.** This is typically marked with the chemical formula KNO₃.
2. **Locate 50°C on the x-axis.**
3. **Move vertically from 50°C until you intersect the KNO₃ solubility curve.**
4. **From this point of intersection, move horizontally to the y-axis to determine the solubility value.**
### Detailed Explanation of the Graph:
- **X-Axis (Temperature, °C):** Spanning from 0 to 100°C.
- **Y-Axis (Solubility, grams per 100 g of H₂O):** Spanning from 0 to 100 g per 100 g of water.
- **Solubility Curves:** Each marked with the respective solute (KI, NH₄Cl, KNO₃, KClO₃).
#### Example:
For KNO₃ at 50°C:
1. Locate 50°C on the x-axis.
2. Follow the vertical line up to the KNO₃ curve.
3. From the intersection, follow the horizontal line to the solubility value on the y-axis.
4. The value at this point is approximately 80 grams.
### Conclusion:
At 50°C, the solubility of KNO₃ is approximately 80 grams per 100 grams of water. Therefore, the mass of KNO₃ in a 100 g saturated solution at this temperature is 80 grams.
**Calculation Prompt:**
```
Round to the nearest 5 grams.
mass KNO₃ = [?] g
```
Here, you input the determined value of 80 grams, rounded as](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F90e77b90-a4df-4db6-b7ee-6d19627c35a4%2Fde7c23b0-6c7a-4321-aabb-50657bf3b082%2Frojmr4u_processed.jpeg&w=3840&q=75)
Transcribed Image Text:### Determining the Mass of KNO₃ in a Saturated Solution at 50°C
To determine the mass of KNO₃ (potassium nitrate) in a 100 g saturated solution at 50°C, refer to the provided solubility graph. The solubility graph plots the temperature (in °C) on the x-axis and the solubility (in grams of solute per 100 grams of H₂O) on the y-axis. The graph contains solubility curves for several solutes, including KI, NH₄Cl, KNO₃, and KClO₃.
#### Steps to Find the Mass of KNO₃:
1. **Identify the KNO₃ curve on the graph.** This is typically marked with the chemical formula KNO₃.
2. **Locate 50°C on the x-axis.**
3. **Move vertically from 50°C until you intersect the KNO₃ solubility curve.**
4. **From this point of intersection, move horizontally to the y-axis to determine the solubility value.**
### Detailed Explanation of the Graph:
- **X-Axis (Temperature, °C):** Spanning from 0 to 100°C.
- **Y-Axis (Solubility, grams per 100 g of H₂O):** Spanning from 0 to 100 g per 100 g of water.
- **Solubility Curves:** Each marked with the respective solute (KI, NH₄Cl, KNO₃, KClO₃).
#### Example:
For KNO₃ at 50°C:
1. Locate 50°C on the x-axis.
2. Follow the vertical line up to the KNO₃ curve.
3. From the intersection, follow the horizontal line to the solubility value on the y-axis.
4. The value at this point is approximately 80 grams.
### Conclusion:
At 50°C, the solubility of KNO₃ is approximately 80 grams per 100 grams of water. Therefore, the mass of KNO₃ in a 100 g saturated solution at this temperature is 80 grams.
**Calculation Prompt:**
```
Round to the nearest 5 grams.
mass KNO₃ = [?] g
```
Here, you input the determined value of 80 grams, rounded as
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