a. Calculate the molar solubility of AgBr in pure water.Ksp for AgBr is 5.0×10-13. b. Calculate the molar solubility of AgBr in 3.0 M NH3. The overall formation constant for Ag(NH3)2+is 1.7×107, that is, Ag+(aq) + 2NH3(aq) → Ag(NH3)2+(aq) K = 1.7×107 . c. Compare the calculated solubilities from parts a and b. Explain any differences. d. What mass of AgBr will dissolve in 250.0 mL of 3.0 M NH3? e. What effect does adding HNO3 have on the solubilities calculated in parts a and b?

a. Calculate the molar solubility of AgBr in pure water.Ksp for AgBr is 5.0×10-13. b. Calculate the molar solubility of AgBr in 3.0 M NH3. The overall formation constant for Ag(NH3)2+is 1.7×107, that is, Ag+(aq) + 2NH3(aq) → Ag(NH3)2+(aq) K = 1.7×107 . c. Compare the calculated solubilities from parts a and b. Explain any differences. d. What mass of AgBr will dissolve in 250.0 mL of 3.0 M NH3? e. What effect does adding HNO3 have on the solubilities calculated in parts a and b?

Chemistry: The Molecular Science

5th Edition

ISBN:9781285199047

Author:John W. Moore, Conrad L. Stanitski

Publisher:John W. Moore, Conrad L. Stanitski

Chapter15: Additional Aqueous Equilibria

Section: Chapter Questions

Problem 15.BCP

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Question

a. Calculate the molar solubility of AgBr in pure water.K_sp for AgBr is 5.0×10^-13.

b. Calculate the molar solubility of AgBr in 3.0 M NH_3. The overall formation constant for Ag(NH₃)₂⁺is 1.7×10⁷, that is,

Ag⁺(aq) + 2NH₃(aq) → Ag(NH₃)₂⁺(aq) K = 1.7×10⁷ .

c. Compare the calculated solubilities from parts a and b. Explain any differences.

d. What mass of AgBr will dissolve in 250.0 mL of 3.0 M NH₃?

e. What effect does adding HNO₃ have on the solubilities calculated in parts a and b?

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