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18 Dec 2019

Solid copper(II) fluoride is slowly added to 175 mL of a sodium sulfide solution until the concentration of copper(II) ion is 0.0576 M. The maximum amount of sulfide remaining in solution is _____ M.

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Trinidad Tremblay
Trinidad TremblayLv2
31 Dec 2019

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Related questions


A solution contains 1.20×10-2 M zinc acetate and 8.67×10-3 M copper(II) nitrate.
Solid potassium sulfide is added slowly to this mixture.

A. What is the formula of the substance that precipitates first?

formula =_____________

B. What is the concentration of sulfide ion when this precipitation first begins?
[S2-] =____________ M

A solution contains 7.00×10-3 M potassium hydroxide and 1.05×10-2 M ammonium sulfide.
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1. A solution is prepared so that the concentrations of manganese(II) nitrate, zinc(II) nitrate, mercury(II) nitrate, and copper(II) nitrate are all 0.100 M. If the solution is slowly titrated with 0.100 M sodium sulfide, which metal sulfide will precipitate first?

zinc sulfide, Ksp = 1.8???10?25

copper(II) sulfide, Ksp = 5.4???10?37

manganese(II) sulfide, Ksp = 2.4???10?14

mercury(II) sulfide, Ksp = 1.8???10?53

2. Calculate molar solubilities, concentrations of constituent ions, and solubilities in grams per liter for the following compounds at 25°C:

[Sn2+] =

[S2?] =

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[Cd2+] =

[PO43?] =

solubility = g Cd3(PO4)2/Liter

tin(II) sulfide, SnS, Ksp = 9.00???10?27

cadmium(II) phosphate, Cd3(PO4)2, Ksp = 2.50???10?33

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