A chemist prepares a solution of barium chlorate (Ba(CIO 3),) by measuring out 28.6 µmol of barium chlorate into a 100. mL volumetric flask and filling the flask to the mark with water. Calculate the concentration in mol/L of the chemist's barium chlorate solution. Round your answer to 3 significant digits.
A chemist prepares a solution of barium chlorate (Ba(CIO 3),) by measuring out 28.6 µmol of barium chlorate into a 100. mL volumetric flask and filling the flask to the mark with water. Calculate the concentration in mol/L of the chemist's barium chlorate solution. Round your answer to 3 significant digits.
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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A chemist prepares a solution of barium chlorate by measuring out 28.6 implying of barium chlorate into 100mL volumetric flask filling the flask to the mark with water. Calculate the concentration in mol/ L of the chemist's barium chlorate solution. Round your answer to 3 significant digits.
![**Problem Statement:**
A chemist prepares a solution of barium chlorate \(\text{Ba}(\text{ClO}_3)_2\) by measuring out 28.6 \(\mu\text{mol}\) of barium chlorate into a 100. \(\text{mL}\) volumetric flask and filling the flask to the mark with water.
Calculate the concentration in \(\text{mol/L}\) of the chemist’s barium chlorate solution. Round your answer to 3 significant digits.
**Input Section:**
- Volume unit selector (mol/L)
- Numerical input box for student response
- Action buttons: Submit, Reset, and Help
**Explanation Section (Diagram Description):**
The diagram contains the following elements:
1. **Input Box for Concentration (\(\frac{\text{mol}}{\text{L}}\)):**
- A rectangular input box labeled "mol/L" for entering the concentration value.
2. **Action Buttons:**
- **Submit Button (X)**: For submitting the calculated concentration.
- **Reset Button (↻)**: For resetting the input to allow for recalculation.
- **Help Button (? in a circle)**: For accessing hints or calculation help.
**Instructions:**
1. Measure out 28.6 \(\mu\text{mol}\) of barium chlorate.
2. Transfer the measured barium chlorate into a 100. \(\text{mL}\) volumetric flask.
3. Fill the flask to the 100. \(\text{mL}\) mark with water.
4. Use the provided input box to enter the concentration in \(\text{mol/L}\), calculated to 3 significant digits.
5. Use the action buttons to submit, reset, or access help.
**Note:**
To calculate the concentration, convert the given micro-moles (\(\mu\text{mol}\)) to moles, and then use the volume of the solution to find the molarity.
**Calculation:**
\[
\text{Concentration (M)} = \frac{\text{Number of moles of solute}}{\text{Volume of solution in liters}}
\]
\[
\text{Number of moles (n)} = 28.6 \mu\text{mol} \times 10^{-6} \frac{\text{mol}}{\mu\text](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F27b4802f-f0fe-408d-90d1-a8d89e62e50b%2F93f73980-f246-4c09-9ef4-f2c9dd3cb26e%2Fsvvpvi.jpeg&w=3840&q=75)
Transcribed Image Text:**Problem Statement:**
A chemist prepares a solution of barium chlorate \(\text{Ba}(\text{ClO}_3)_2\) by measuring out 28.6 \(\mu\text{mol}\) of barium chlorate into a 100. \(\text{mL}\) volumetric flask and filling the flask to the mark with water.
Calculate the concentration in \(\text{mol/L}\) of the chemist’s barium chlorate solution. Round your answer to 3 significant digits.
**Input Section:**
- Volume unit selector (mol/L)
- Numerical input box for student response
- Action buttons: Submit, Reset, and Help
**Explanation Section (Diagram Description):**
The diagram contains the following elements:
1. **Input Box for Concentration (\(\frac{\text{mol}}{\text{L}}\)):**
- A rectangular input box labeled "mol/L" for entering the concentration value.
2. **Action Buttons:**
- **Submit Button (X)**: For submitting the calculated concentration.
- **Reset Button (↻)**: For resetting the input to allow for recalculation.
- **Help Button (? in a circle)**: For accessing hints or calculation help.
**Instructions:**
1. Measure out 28.6 \(\mu\text{mol}\) of barium chlorate.
2. Transfer the measured barium chlorate into a 100. \(\text{mL}\) volumetric flask.
3. Fill the flask to the 100. \(\text{mL}\) mark with water.
4. Use the provided input box to enter the concentration in \(\text{mol/L}\), calculated to 3 significant digits.
5. Use the action buttons to submit, reset, or access help.
**Note:**
To calculate the concentration, convert the given micro-moles (\(\mu\text{mol}\)) to moles, and then use the volume of the solution to find the molarity.
**Calculation:**
\[
\text{Concentration (M)} = \frac{\text{Number of moles of solute}}{\text{Volume of solution in liters}}
\]
\[
\text{Number of moles (n)} = 28.6 \mu\text{mol} \times 10^{-6} \frac{\text{mol}}{\mu\text
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