**Gravimetric Analysis of Hydrated Copper Sulfate** **Student:** Name: Steven Harrington Date: 11/6/20 This lab details the gravimetric analysis process for determining the formula of hydrated copper (II) sulfate through a series of heating and weighing steps. The goal is to calculate the molar ratio of water to copper (II) sulfate. **Experimental Data:** | Measurement Description | Trial 1 | Trial 2 | |--------------------------------------------------------------|----------|---------| | 1. Mass of crucible | 16.57 g | | | 2. Mass of crucible and copper (II) sulfate hydrate | 19.56 g | | | 3. Mass of copper (II) sulfate hydrate (Line 2 - Line 1) | 2.81 g | | | 4. Mass of crucible and copper sulfate after first heating | 18.44 g | | | 5. Mass of crucible and copper sulfate after second heating | 18.43 g | | | 6. Mass of crucible and copper sulfate after third heating (if necessary) | | | | 7. Mass of anhydrous copper (II) sulfate after final heating (Line 5 or 6 minus Line 1) | 1.86 g | | | 8. Moles of anhydrous copper (II) sulfate | | | | 9. Mass of water (Line 2 minus Line 7) | 17.7 g | | | 10. Moles of water | | | | 11. Ratio of (moles of water) / (moles of CuSO₄) | | | | 12. Formula of copper (II) sulfate hydrate | | | **Instructions:** - Show the calculations for determining moles of anhydrous CuSO₄ and water. - Use these values to find the ratio of moles of water to moles of anhydrous copper (II) sulfate. - Derive the formula for the hydrated copper (II) sulfate based on the calculated ratio. **Notes for Students:** - Ensure all calculations are shown in detail for full credit. - Make observations on color changes or any other physical changes during heating
**Gravimetric Analysis of Hydrated Copper Sulfate** **Student:** Name: Steven Harrington Date: 11/6/20 This lab details the gravimetric analysis process for determining the formula of hydrated copper (II) sulfate through a series of heating and weighing steps. The goal is to calculate the molar ratio of water to copper (II) sulfate. **Experimental Data:** | Measurement Description | Trial 1 | Trial 2 | |--------------------------------------------------------------|----------|---------| | 1. Mass of crucible | 16.57 g | | | 2. Mass of crucible and copper (II) sulfate hydrate | 19.56 g | | | 3. Mass of copper (II) sulfate hydrate (Line 2 - Line 1) | 2.81 g | | | 4. Mass of crucible and copper sulfate after first heating | 18.44 g | | | 5. Mass of crucible and copper sulfate after second heating | 18.43 g | | | 6. Mass of crucible and copper sulfate after third heating (if necessary) | | | | 7. Mass of anhydrous copper (II) sulfate after final heating (Line 5 or 6 minus Line 1) | 1.86 g | | | 8. Moles of anhydrous copper (II) sulfate | | | | 9. Mass of water (Line 2 minus Line 7) | 17.7 g | | | 10. Moles of water | | | | 11. Ratio of (moles of water) / (moles of CuSO₄) | | | | 12. Formula of copper (II) sulfate hydrate | | | **Instructions:** - Show the calculations for determining moles of anhydrous CuSO₄ and water. - Use these values to find the ratio of moles of water to moles of anhydrous copper (II) sulfate. - Derive the formula for the hydrated copper (II) sulfate based on the calculated ratio. **Notes for Students:** - Ensure all calculations are shown in detail for full credit. - Make observations on color changes or any other physical changes during heating
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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Using the information provided answer # 8 show calculation
Transcribed Image Text:**Gravimetric Analysis of Hydrated Copper Sulfate**
**Student:**
Name: Steven Harrington
Date: 11/6/20
This lab details the gravimetric analysis process for determining the formula of hydrated copper (II) sulfate through a series of heating and weighing steps. The goal is to calculate the molar ratio of water to copper (II) sulfate.
**Experimental Data:**
| Measurement Description | Trial 1 | Trial 2 |
|--------------------------------------------------------------|----------|---------|
| 1. Mass of crucible | 16.57 g | |
| 2. Mass of crucible and copper (II) sulfate hydrate | 19.56 g | |
| 3. Mass of copper (II) sulfate hydrate (Line 2 - Line 1) | 2.81 g | |
| 4. Mass of crucible and copper sulfate after first heating | 18.44 g | |
| 5. Mass of crucible and copper sulfate after second heating | 18.43 g | |
| 6. Mass of crucible and copper sulfate after third heating (if necessary) | | |
| 7. Mass of anhydrous copper (II) sulfate after final heating (Line 5 or 6 minus Line 1) | 1.86 g | |
| 8. Moles of anhydrous copper (II) sulfate | | |
| 9. Mass of water (Line 2 minus Line 7) | 17.7 g | |
| 10. Moles of water | | |
| 11. Ratio of (moles of water) / (moles of CuSO₄) | | |
| 12. Formula of copper (II) sulfate hydrate | | |
**Instructions:**
- Show the calculations for determining moles of anhydrous CuSO₄ and water.
- Use these values to find the ratio of moles of water to moles of anhydrous copper (II) sulfate.
- Derive the formula for the hydrated copper (II) sulfate based on the calculated ratio.
**Notes for Students:**
- Ensure all calculations are shown in detail for full credit.
- Make observations on color changes or any other physical changes during heating
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