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An acidic solution is 9 mM in each of the following metal lons: Sn²", Co², M², Pb, See the Solubility Product Constant Table

An acidic solution is 9 mM in each of the following metal lons: Sn²", Co², M², Pb, See the Solubility Product Constant Table

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
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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### Solubility and Precipitation of Metal Hydroxides An acidic solution is 9 mM in each of the following metal ions: \( \text{Sn}^{2+}, \text{Co}^{2+}, \text{Mn}^{2+}, \text{Pb}^{2+} \). View the Solubility Product Constant Table provided. **(a) At what pH do the metal hydroxides begin to precipitate?** - \( \text{Sn(OH)}_2: \) pH 1.89 - \( \text{Co(OH)}_2: \) pH 7.9 - \( \text{Mn(OH)}_2: \) pH 8.4 - \( \text{Pb(OH)}_2: \) pH 5.1 **Substance** | **\( K_{sp} \) at 25 °C** --- | --- **Aluminum** \( \text{Al(OH)}_3 \) | \( 1.9 \times 10^{-33} \) **Barium** \( \text{Ba(OH)}_2 \) | \( 5.0 \times 10^{-3} \) \( \text{BaCO}_3 \) | \( 8.1 \times 10^{-9} \) \( \text{BaSO}_4 \) | \( 1.1 \times 10^{-10} \) **Cadmium** \( \text{Cd(OH)}_2 \) | \( 2.5 \times 10^{-14} \) \( \text{CdCO}_3 \) | \( 5.2 \times 10^{-12} \) **Calcium** \( \text{Ca(OH)}_2 \) | \( 5.5 \times 10^{-6} \) \( \text{CaCO}_3 \) | \( 3.8 \times 10^{-9} \) \( \text{CaF}_2 \) | \( 3.9 \times 10^{-11} \) **Chromium** \( \text{Cr(OH)}_3 \) | \( 6.3 \times 10^{-31} \) **Cobalt** \( \text{Co(OH)}_2 \
Transcribed Image Text:### Solubility and Precipitation of Metal Hydroxides An acidic solution is 9 mM in each of the following metal ions: \( \text{Sn}^{2+}, \text{Co}^{2+}, \text{Mn}^{2+}, \text{Pb}^{2+} \). View the Solubility Product Constant Table provided. **(a) At what pH do the metal hydroxides begin to precipitate?** - \( \text{Sn(OH)}_2: \) pH 1.89 - \( \text{Co(OH)}_2: \) pH 7.9 - \( \text{Mn(OH)}_2: \) pH 8.4 - \( \text{Pb(OH)}_2: \) pH 5.1 **Substance** | **\( K_{sp} \) at 25 °C** --- | --- **Aluminum** \( \text{Al(OH)}_3 \) | \( 1.9 \times 10^{-33} \) **Barium** \( \text{Ba(OH)}_2 \) | \( 5.0 \times 10^{-3} \) \( \text{BaCO}_3 \) | \( 8.1 \times 10^{-9} \) \( \text{BaSO}_4 \) | \( 1.1 \times 10^{-10} \) **Cadmium** \( \text{Cd(OH)}_2 \) | \( 2.5 \times 10^{-14} \) \( \text{CdCO}_3 \) | \( 5.2 \times 10^{-12} \) **Calcium** \( \text{Ca(OH)}_2 \) | \( 5.5 \times 10^{-6} \) \( \text{CaCO}_3 \) | \( 3.8 \times 10^{-9} \) \( \text{CaF}_2 \) | \( 3.9 \times 10^{-11} \) **Chromium** \( \text{Cr(OH)}_3 \) | \( 6.3 \times 10^{-31} \) **Cobalt** \( \text{Co(OH)}_2 \
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