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Solution containing Ag*, Pb2+, and Cu2+ Add HNO3, so pH=1 Add H,S; Heat Agci %1D |X KoP Cus Y(aq) Pb2+ (aq) NaCl (aq) Ksp= Ga10 37 %3D PbCl2 W(s) Z(ag) Boil solution Q(aq Pbt

Solution containing Ag*, Pb2+, and Cu2+ Add HNO3, so pH=1 Add H,S; Heat Agci %1D |X KoP Cus Y(aq) Pb2+ (aq) NaCl (aq) Ksp= Ga10 37 %3D PbCl2 W(s) Z(ag) Boil solution Q(aq Pbt

Chemistry
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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### Separation Scheme for Ag\(^+\), Pb\(^{2+}\), and Cu\(^{2+}\) Consider the following separation scheme: **Initial Solution:** - Solution containing Ag\(^+\), Pb\(^{2+}\), and Cu\(^{2+}\). **Procedures:** 1. **Add HNO\(_3\) to adjust pH to 1.** 2. **Add H\(_2\)S and apply heat.** **Separation Steps:** - **X\(_{(s)}\)** - Component: AgCl - K\(_{sp}\) = 6 x 10\(^{-51}\) - **Y\(_{(aq)}\) Component:** - Contains Pb\(^{2+}_{(aq)}\) and Cu\(^{2+}_{(aq)}\) 3. **Add NaCl to Y\(_{(aq)}\):** - **W\(_{(s)}\)** - Component: PbCl\(_2\) - **Z\(_{(aq)}\)** - Component: CuCl\(_2\) **Additional Notes:** - **CuS Precipitation:** - K\(_{sp}\) = 8 x 10\(^{-37}\) - **Pb\(^{2+}\) Solubility Another Step:** - K\(_{sp}\) = 3 x 10\(^{-28}\) 4. **Boil the Solution:** - **Q\(_{(aq)}\)** - Contains Pb\(^{2+}\). This scheme uses a combination of chemical agents and solubility differences to separate the ions in a solution effectively.
Transcribed Image Text:### Separation Scheme for Ag\(^+\), Pb\(^{2+}\), and Cu\(^{2+}\) Consider the following separation scheme: **Initial Solution:** - Solution containing Ag\(^+\), Pb\(^{2+}\), and Cu\(^{2+}\). **Procedures:** 1. **Add HNO\(_3\) to adjust pH to 1.** 2. **Add H\(_2\)S and apply heat.** **Separation Steps:** - **X\(_{(s)}\)** - Component: AgCl - K\(_{sp}\) = 6 x 10\(^{-51}\) - **Y\(_{(aq)}\) Component:** - Contains Pb\(^{2+}_{(aq)}\) and Cu\(^{2+}_{(aq)}\) 3. **Add NaCl to Y\(_{(aq)}\):** - **W\(_{(s)}\)** - Component: PbCl\(_2\) - **Z\(_{(aq)}\)** - Component: CuCl\(_2\) **Additional Notes:** - **CuS Precipitation:** - K\(_{sp}\) = 8 x 10\(^{-37}\) - **Pb\(^{2+}\) Solubility Another Step:** - K\(_{sp}\) = 3 x 10\(^{-28}\) 4. **Boil the Solution:** - **Q\(_{(aq)}\)** - Contains Pb\(^{2+}\). This scheme uses a combination of chemical agents and solubility differences to separate the ions in a solution effectively.
Transcription: d. How do you confirm the identity of each cation in the above solution? e. What is the minimum concentration of sulfide ion required for 0.15 M Ag⁺ solution to form a precipitate \((K_{sp}\, Ag_2S = 6 \times 10^{-51})\)?
Transcribed Image Text:Transcription: d. How do you confirm the identity of each cation in the above solution? e. What is the minimum concentration of sulfide ion required for 0.15 M Ag⁺ solution to form a precipitate \((K_{sp}\, Ag_2S = 6 \times 10^{-51})\)?
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