FIPST, Ag2CrO4 or BaCrÓ4? (Ksp for Ag2Cr04 = 2.0 x 10-12; Ksp for BaCrO4 = 1.2 x 10-10) %3D %3D b) If the solution in part "a" contains 0.0010 mol of Ag+ and 0.0010 mol of Ba2+ instead, which will precipitate first, Ag2Cr04 or BaCrO4? 3. A solution containing both Mn2+ and Cd2+ at 0.10M each is saturated with H2S gas at 25°C and 1 atm pressure. The [H+] is adjusted with HCl to 0.30M. a) Will the sulfides of these metals precipitate under these conditions? b) Calculate the maximum concentration of Cd2+ and Mn²+ that can remain in solution. Ksp for MnS = 1.0 x 10-13; Ksp for CdS = 1.0 x 10-26 %3D In a saturated solution of H2S at 1 atm and 25°C, [H2S] = 0.10M %3D Kal(H2S) = 5.7 x 10-8; Ka2 = 1.3 x 10-13 %3D 4. If 20.0 mL of 0.50M NH3 is added to 80.0 mL of 0.0010M FeSO4 and then enough NH4CI is added so that the NH4* present becomes 1.0M, a) What will be the [OH-] in the resulting solution? b) Will Fe(OH)2 precipitate?

FIPST, Ag2CrO4 or BaCrÓ4? (Ksp for Ag2Cr04 = 2.0 x 10-12; Ksp for BaCrO4 = 1.2 x 10-10) %3D %3D b) If the solution in part "a" contains 0.0010 mol of Ag+ and 0.0010 mol of Ba2+ instead, which will precipitate first, Ag2Cr04 or BaCrO4? 3. A solution containing both Mn2+ and Cd2+ at 0.10M each is saturated with H2S gas at 25°C and 1 atm pressure. The [H+] is adjusted with HCl to 0.30M. a) Will the sulfides of these metals precipitate under these conditions? b) Calculate the maximum concentration of Cd2+ and Mn²+ that can remain in solution. Ksp for MnS = 1.0 x 10-13; Ksp for CdS = 1.0 x 10-26 %3D In a saturated solution of H2S at 1 atm and 25°C, [H2S] = 0.10M %3D Kal(H2S) = 5.7 x 10-8; Ka2 = 1.3 x 10-13 %3D 4. If 20.0 mL of 0.50M NH3 is added to 80.0 mL of 0.0010M FeSO4 and then enough NH4CI is added so that the NH4* present becomes 1.0M, a) What will be the [OH-] in the resulting solution? b) Will Fe(OH)2 precipitate?

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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