3. Use the graph to answer the following questions Calibration Curve Absorbance 1.00 0.80 0.60 0.40 0.20 0 ● 0.2 04 y=0.7751x-0.0001 0.6 concentration, M 0.8 IF 1 12 a. What is the slope? b. What is the intercept? What is the x-axis? d. What is the y-axis? e. If a solution had an absorbance of 0.60, what would the concentration be?
3. Use the graph to answer the following questions Calibration Curve Absorbance 1.00 0.80 0.60 0.40 0.20 0 ● 0.2 04 y=0.7751x-0.0001 0.6 concentration, M 0.8 IF 1 12 a. What is the slope? b. What is the intercept? What is the x-axis? d. What is the y-axis? e. If a solution had an absorbance of 0.60, what would the concentration be?
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
![**Calibration Curve Analysis**
**Graph Overview:**
The image displays a calibration curve graph used for analyzing the relationship between concentration and absorbance. The plot consists of data points with a best-fit line described by the equation:
\[ y = 0.7751x - 0.0001 \]
**Axes Explanation:**
- **X-axis:** Represents the concentration (in M).
- **Y-axis:** Represents the absorbance.
**Graph Details:**
- The data points are plotted on the graph showing a linear relationship between concentration and absorbance, which is interpreted through the line of best fit.
**Questions and Answers:**
a. **What is the slope?**
- 0.7751
b. **What is the intercept?**
- -0.0001
c. **What is the x-axis?**
- Concentration, M
d. **What is the y-axis?**
- Absorbance
e. **If a solution had an absorbance of 0.60, what would the concentration be?**
- To find the concentration, use the equation of the line:
\[ 0.60 = 0.7751x - 0.0001 \]
Solving for \( x \) (concentration):
\[ x = \frac{0.60 + 0.0001}{0.7751} \approx 0.7743 \, \text{M} \]](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fd7374a00-925b-4659-a7ff-f60a4e3f7577%2F2fbd1c50-37f3-438c-8a2c-a16103a48092%2F8th682q_processed.jpeg&w=3840&q=75)
Transcribed Image Text:**Calibration Curve Analysis**
**Graph Overview:**
The image displays a calibration curve graph used for analyzing the relationship between concentration and absorbance. The plot consists of data points with a best-fit line described by the equation:
\[ y = 0.7751x - 0.0001 \]
**Axes Explanation:**
- **X-axis:** Represents the concentration (in M).
- **Y-axis:** Represents the absorbance.
**Graph Details:**
- The data points are plotted on the graph showing a linear relationship between concentration and absorbance, which is interpreted through the line of best fit.
**Questions and Answers:**
a. **What is the slope?**
- 0.7751
b. **What is the intercept?**
- -0.0001
c. **What is the x-axis?**
- Concentration, M
d. **What is the y-axis?**
- Absorbance
e. **If a solution had an absorbance of 0.60, what would the concentration be?**
- To find the concentration, use the equation of the line:
\[ 0.60 = 0.7751x - 0.0001 \]
Solving for \( x \) (concentration):
\[ x = \frac{0.60 + 0.0001}{0.7751} \approx 0.7743 \, \text{M} \]
Expert Solution
Step 1
We are given a graph of absorbance verses concentration, and we are to answer the questions based on data from the graph.
the equation of graph is
y = 0.7751x – 0.0001
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