7. The Ksp for copper(I) sulfide, Cu2S(s), is 2.5 x10-48. Cu2S (s) 2 Cu'(aq) + S²(aq) (a) Write asolubility constant expression for Cu2S(s). [2](b) Calculate its molar solubility in water at 25degrees Celsius. [6]

Molar solubility can be defined as the number of moles of solute that can be dissolved per liter of…

7. The Ksp for copper(I) sulfide, Cu2S(s), is 2.5 x 10-48. Cu2S (s) 2 Cu'(aq) + S²-(aq) (a) Write a solubility constant expression for CuąS(s). [2] (b) Calculate its molar solubility in water at 25 degrees Celsius. [6]

7. The Ksp for copper(I) sulfide, Cu2S(s), is 2.5 x 10-48. Cu2S (s) 2 Cu'(aq) + S²-(aq) (a) Write a solubility constant expression for CuąS(s). [2] (b) Calculate its molar solubility in water at 25 degrees Celsius. [6]

Chemistry for Engineering Students

4th Edition

ISBN:9781337398909

Author:Lawrence S. Brown, Tom Holme

Publisher:Lawrence S. Brown, Tom Holme

Chapter12: Chemical Equilibrium

Section: Chapter Questions

Problem 12.53PAE: The ore cinnabar (HgS) is an important source of mercury. Cinnabar is a red solid whose solubility...

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Question

7. The Ksp for copper(I) sulfide, Cu2S(s), is 2.5 x
10-48. Cu2S (s) 2 Cu'(aq) + S²(aq) (a) Write a
solubility constant expression for Cu2S(s). [2]
(b) Calculate its molar solubility in water at 25
degrees Celsius. [6]

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