**Question 15**A solution contains 0.25 M Cd²⁺ ions. At what pH will Cd(OH)₂ begin to precipitate?- ○ 6.66- ○ 0.68- ○ 7.34- ○ 13.32*Note: The question involves determining the pH level at which cadmium hydroxide, Cd(OH)₂, starts to precipitate from a solution containing cadmium ions, Cd²⁺, at a concentration of 0.25 M. Knowledge of the solubility product constant (Ksp) for Cd(OH)₂ is needed to calculate the precise pH at which precipitation begins.* **Solubility Product Constants (25°C)**| Compound (s) | \( K_{sp} \) ||--------------|-----------------------|| BaF\(_2\) | 2.4 x 10\(^{-5}\) || CuCl(s) | 1.9 x 10\(^{-7}\) || PbF\(_2\) | 4.0 x 10\(^{-8}\) || AgCl(s) | 1.6 x 10\(^{-10}\) || FeCO\(_3\) | 2.1 x 10\(^{-11}\) || Mn(OH)\(_2\) | 2.0 x 10\(^{-13}\) || AuCl(s) | 2.0 x 10\(^{-13}\) || Cd(OH)\(_2\) | 1.2 x 10\(^{-14}\) |This table presents the solubility product constants (\( K_{sp} \)) for various compounds at 25°C. The \( K_{sp} \) value indicates the extent to which a compound will dissolve in water. Lower \( K_{sp} \) values signify lower solubility, while higher \( K_{sp} \) values indicate higher solubility.

we have to calculate the pH at which Cd(OH)2 will begin to precipitate

Answered: A solution contains 0.25 M Cd2+ ions.…

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A solution contains 0.25 M Cd2+ ions. At what pH will Cd(OH)2 begin to precipitate? O 6.66 O 0.68 07.34 O 13.32

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

**Solubility Product Constants (25°C)**

| Compound (s) | \( K_{sp} \) |
|--------------|-----------------------|
| BaF\(_2\) | 2.4 x 10\(^{-5}\) |
| CuCl(s) | 1.9 x 10\(^{-7}\) |
| PbF\(_2\) | 4.0 x 10\(^{-8}\) |
| AgCl(s) | 1.6 x 10\(^{-10}\) |
| FeCO\(_3\) | 2.1 x 10\(^{-11}\) |
| Mn(OH)\(_2\) | 2.0 x 10\(^{-13}\) |
| AuCl(s) | 2.0 x 10\(^{-13}\) |
| Cd(OH)\(_2\) | 1.2 x 10\(^{-14}\) |

This table presents the solubility product constants (\( K_{sp} \)) for various compounds at 25°C. The \( K_{sp} \) value indicates the extent to which a compound will dissolve in water. Lower \( K_{sp} \) values signify lower solubility, while higher \( K_{sp} \) values indicate higher solubility.

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