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A solution contains 0.019 M Hg2+2 and 0.026 M Pb2+. If you add Cl−, Hg2Cl2 and PbCl2 will begin to precipitate. What is the concentration of Cl− required, in molarity, when Hg2Cl2 precipitation begins? concentration of Cl−=   M What is the concentration of Cl− required, in molarity, when Hg2Cl2 precipitation is 99.99% complete? concentration of Cl−=   M What is the concentration of Cl− required, in molarity, when PbCl2 precipitation begins? concentration of Cl−=   M

A solution contains 0.019 M Hg2+2 and 0.026 M Pb2+. If you add Cl−, Hg2Cl2 and PbCl2 will begin to precipitate. What is the concentration of Cl− required, in molarity, when Hg2Cl2 precipitation begins? concentration of Cl−=   M What is the concentration of Cl− required, in molarity, when Hg2Cl2 precipitation is 99.99% complete? concentration of Cl−=   M What is the concentration of Cl− required, in molarity, when PbCl2 precipitation begins? concentration of Cl−=   M

Chemistry
Chemistry
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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
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A solution contains 0.019 M Hg2+2 and 0.026 M Pb2+. If you add Cl−, Hg2Cl2 and PbCl2 will begin to precipitate.

What is the concentration of Cl− required, in molarity, when Hg2Cl2 precipitation begins?

concentration of Cl−=
 
M
What is the concentration of Cl− required, in molarity, when Hg2Cl2 precipitation is 99.99% complete?
concentration of Cl−=
 
M
What is the concentration of Cl− required, in molarity, when PbCl2 precipitation begins?
concentration of Cl−=
 
M
What is the concentration of Cl− required, in molarity, when PbCl2 precipitation is 99.99% complete?
concentration of Cl−=
 
M

Finally, give the Cl− concentration range in which Hg2+2 can be completely separated from Pb2+ by precipitation.

Give the lowest Cl− concentration for the separation of Hg2+2 from Pb2+.

concentration of Cl−=
 
M
Give the highest Cl− concentration for the separation of Hg2+2 from Pb2+.
concentration of Cl−=
 
M
A solution contains 0.019 M \( \text{Hg}_2^{2+} \) and 0.026 M \( \text{Pb}^{2+} \). If you add \( \text{Cl}^- \), \( \text{Hg}_2\text{Cl}_2 \) and \( \text{PbCl}_2 \) will begin to precipitate. **Questions** 1. What is the concentration of \( \text{Cl}^- \) required, in molarity, when \( \text{Hg}_2\text{Cl}_2 \) precipitation begins? - Concentration of \( \text{Cl}^- \): \_\_\_\_\_\_ M 2. What is the concentration of \( \text{Cl}^- \) required, in molarity, when \( \text{Hg}_2\text{Cl}_2 \) precipitation is 99.99% complete? - Concentration of \( \text{Cl}^- \): \_\_\_\_\_\_ M 3. What is the concentration of \( \text{Cl}^- \) required, in molarity, when \( \text{PbCl}_2 \) precipitation begins? - Concentration of \( \text{Cl}^- \): \_\_\_\_\_\_ M 4. What is the concentration of \( \text{Cl}^- \) required, in molarity, when \( \text{PbCl}_2 \) precipitation is 99.99% complete? - Concentration of \( \text{Cl}^- \): \_\_\_\_\_\_ M **Separation of Ions by Precipitation** Finally, give the \( \text{Cl}^- \) concentration range in which \( \text{Hg}_2^{2+} \) can be completely separated from \( \text{Pb}^{2+} \) by precipitation. - Give the lowest \( \text{Cl}^- \) concentration for the separation of \( \text{Hg}_2^{2+} \) from \( \text{Pb}^{2+} \): - Concentration of \( \text{Cl}^- \): \_\_\_\_\_\_ M - Give the highest \( \text{Cl}^- \) concentration for the separation of \( \text{Hg}_2^{2+} \
Transcribed Image Text:A solution contains 0.019 M \( \text{Hg}_2^{2+} \) and 0.026 M \( \text{Pb}^{2+} \). If you add \( \text{Cl}^- \), \( \text{Hg}_2\text{Cl}_2 \) and \( \text{PbCl}_2 \) will begin to precipitate. **Questions** 1. What is the concentration of \( \text{Cl}^- \) required, in molarity, when \( \text{Hg}_2\text{Cl}_2 \) precipitation begins? - Concentration of \( \text{Cl}^- \): \_\_\_\_\_\_ M 2. What is the concentration of \( \text{Cl}^- \) required, in molarity, when \( \text{Hg}_2\text{Cl}_2 \) precipitation is 99.99% complete? - Concentration of \( \text{Cl}^- \): \_\_\_\_\_\_ M 3. What is the concentration of \( \text{Cl}^- \) required, in molarity, when \( \text{PbCl}_2 \) precipitation begins? - Concentration of \( \text{Cl}^- \): \_\_\_\_\_\_ M 4. What is the concentration of \( \text{Cl}^- \) required, in molarity, when \( \text{PbCl}_2 \) precipitation is 99.99% complete? - Concentration of \( \text{Cl}^- \): \_\_\_\_\_\_ M **Separation of Ions by Precipitation** Finally, give the \( \text{Cl}^- \) concentration range in which \( \text{Hg}_2^{2+} \) can be completely separated from \( \text{Pb}^{2+} \) by precipitation. - Give the lowest \( \text{Cl}^- \) concentration for the separation of \( \text{Hg}_2^{2+} \) from \( \text{Pb}^{2+} \): - Concentration of \( \text{Cl}^- \): \_\_\_\_\_\_ M - Give the highest \( \text{Cl}^- \) concentration for the separation of \( \text{Hg}_2^{2+} \
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