DATA TABLE L6108.3 nm Lamda max Trial Concentration (mol/L) Absorbance 0.428 0. 8०० 1.17 1.498 1.845 1.088 1 0.080 0.16 0.24 4. 0.32 0.40 Unknown number Best-fit linear equation Extinction coefficient Correlation DATA ANALYSIS 1. What is the molar concentration of your unknown sample of copper (II) sulfate solution?

Biochemistry
9th Edition
ISBN:9781319114671
Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Chapter1: Biochemistry: An Evolving Science
Section: Chapter Questions
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**Data Table**

- **Lambda max:** 6068.3 nm

| Trial | Concentration (mol/L) | Absorbance |
|-------|-----------------------|------------|
| 1     | 0.080                 | 0.428      |
| 2     | 0.16                  | 0.806      |
| 3     | 0.24                  | 1.17       |
| 4     | 0.32                  | 1.498      |
| 5     | 0.40                  | 1.845      |
| 6     | Unknown number        | 1.088      |

- **Best-fit linear equation:**
- **Extinction coefficient:**
- **Correlation:**

**Data Analysis**

1. **What is the molar concentration of your unknown sample of copper (II) sulfate solution?**

2. **What is the limit of detection for copper sulfate in our spectrophotometers?**

| Test Tube | Concentration (M) | Absorbance |
|-----------|-------------------|------------|
| A         | 0.080             | 0.428      |
| B         | 0.016             | 0.0804     |
| C         | 0.0032            | -0.071     |
| D         |                   |            |
| E         |                   |            |
| F         |                   |            |
| G         |                   |            |
| H         |                   |            |
| I         |                   |            |
Transcribed Image Text:**Data Table** - **Lambda max:** 6068.3 nm | Trial | Concentration (mol/L) | Absorbance | |-------|-----------------------|------------| | 1 | 0.080 | 0.428 | | 2 | 0.16 | 0.806 | | 3 | 0.24 | 1.17 | | 4 | 0.32 | 1.498 | | 5 | 0.40 | 1.845 | | 6 | Unknown number | 1.088 | - **Best-fit linear equation:** - **Extinction coefficient:** - **Correlation:** **Data Analysis** 1. **What is the molar concentration of your unknown sample of copper (II) sulfate solution?** 2. **What is the limit of detection for copper sulfate in our spectrophotometers?** | Test Tube | Concentration (M) | Absorbance | |-----------|-------------------|------------| | A | 0.080 | 0.428 | | B | 0.016 | 0.0804 | | C | 0.0032 | -0.071 | | D | | | | E | | | | F | | | | G | | | | H | | | | I | | |
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