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 10: Solution Preparation**
**Objective:**
Describe, using words and calculations, how to prepare 500.0 mL of a 0.10 M NaOH solution from a 0.60 M NaOH stock solution.
**Solution Explanation:**
To prepare a diluted solution from a concentrated stock solution, utilize the dilution equation:
\[ C_1 \times V_1 = C_2 \times V_2 \]
Where:
- \( C_1 \) is the concentration of the stock solution (0.60 M).
- \( V_1 \) is the volume of the stock solution needed.
- \( C_2 \) is the concentration of the diluted solution (0.10 M).
- \( V_2 \) is the volume of the diluted solution (500.0 mL).
**Calculation:**
1. Rearrange the dilution equation to solve for \( V_1 \):
\[ V_1 = \frac{C_2 \times V_2}{C_1} \]
2. Substitute the known values into the equation:
\[ V_1 = \frac{0.10\, \text{M} \times 500.0\, \text{mL}}{0.60\, \text{M}} \]
3. Calculate \( V_1 \):
\[ V_1 = \frac{50}{0.60} \]
\[ V_1 = 83.33\, \text{mL} \]
**Procedure:**
1. Measure 83.33 mL of the 0.60 M NaOH stock solution using a graduated cylinder or volumetric pipette.
2. Pour the measured stock solution into a 500.0 mL volumetric flask.
3. Add distilled water to the flask until the total volume reaches 500.0 mL. Mix thoroughly to ensure uniformity.
This process ensures you have prepared 500.0 mL of a 0.10 M NaOH solution accurately.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F730f7f1c-c597-4a26-ace2-e3807b3b32a7%2F7f694010-299a-4cf8-b6d4-c8bc8ad28366%2Frcoyv9f_processed.jpeg&w=3840&q=75)
Transcribed Image Text:**Question 10: Solution Preparation**
**Objective:**
Describe, using words and calculations, how to prepare 500.0 mL of a 0.10 M NaOH solution from a 0.60 M NaOH stock solution.
**Solution Explanation:**
To prepare a diluted solution from a concentrated stock solution, utilize the dilution equation:
\[ C_1 \times V_1 = C_2 \times V_2 \]
Where:
- \( C_1 \) is the concentration of the stock solution (0.60 M).
- \( V_1 \) is the volume of the stock solution needed.
- \( C_2 \) is the concentration of the diluted solution (0.10 M).
- \( V_2 \) is the volume of the diluted solution (500.0 mL).
**Calculation:**
1. Rearrange the dilution equation to solve for \( V_1 \):
\[ V_1 = \frac{C_2 \times V_2}{C_1} \]
2. Substitute the known values into the equation:
\[ V_1 = \frac{0.10\, \text{M} \times 500.0\, \text{mL}}{0.60\, \text{M}} \]
3. Calculate \( V_1 \):
\[ V_1 = \frac{50}{0.60} \]
\[ V_1 = 83.33\, \text{mL} \]
**Procedure:**
1. Measure 83.33 mL of the 0.60 M NaOH stock solution using a graduated cylinder or volumetric pipette.
2. Pour the measured stock solution into a 500.0 mL volumetric flask.
3. Add distilled water to the flask until the total volume reaches 500.0 mL. Mix thoroughly to ensure uniformity.
This process ensures you have prepared 500.0 mL of a 0.10 M NaOH solution accurately.
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