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- Multiple ChoicePlease save your changes before editing any questions.
The solubility of CuI is 2 × 10–6 molar. What is the solubility product constant, Ksp, for CuI?
1.4 × 10–3
2 × 10–6
4 × 10–12
2 × 10–12
- Multiple ChoicePlease save your changes before editing any questions.
Ksp is the symbol for the
solubility of a solid.
solubility product constant.
acid ionization constant.
base ionization constant.
- Multiple ChoicePlease save your changes before editing any questions.
What is the Ksp expression for the equation below?
AgBr(s) ⇆ Ag+ (aq) + Br- (aq)
Ksp = [AgBr] / [Ag]
Ksp = 1/ [Br-] [Ag+]
Ksp = [Ag+] [Br-]
Ksp = [Br-] [Ag+] / [AgBr]
- Multiple ChoicePlease save your changes before editing any questions.
The solubility equation for silver bromide is
AgBr (s) ⇆ Ag+(aq) + Br- (aq)
and the Ksp is 5.0 x 10–13. What is the solubility of silver bromide?
a. 7.1 x10–7 mol/L
b. 3.1 x 10–7
c. 2.5 x 10–2
d. 1.2 x 10–22
- Multiple ChoicePlease save your changes before editing any questions.
Which of the following salts is least soluble?
Ag2CO3 Ksp = 8.4 x 10^-12
Ag2CrO4 Ksp = 1.1 x 10^-12
AgI Ksp = 1.5 x 10^-16
AgBr Ksp = 5.4 x 10^-13
- Multiple ChoicePlease save your changes before editing any questions.
When you calculate the Ksp of calcium fluoride, CaF2, if the concentration of the F- ion is 4.2 x 10^-4 M, then the concentration of the Ca2+ ion is
a. 2.1 x 10^-4 M.
b. 4.2 x 10^-2
c. 3.2 x 10^-4
d. 8.4 x 10^-4
- Multiple ChoicePlease save your changes before editing any questions.
In which of the following reactions, described by the equations below, will an increase in pressure have no effect on the equilibrium of the system?
a. 2NO2(g) ⇆ N2O4(g)
b. 2NOCl (g) ⇆ 2NO(g) + Cl2(g)
c. H2O(g) + CO(g) ⇆ H2(g) + CO2(g)
N2(g) + 3H2(g) ⇆ 2NH3(g)
- Multiple ChoicePlease save your changes before editing any questions.
Solutions of carbolic acid, commonly known as phenol (HC6H5O(aq)), are widely used as disinfectants. One such solution has a concentration of 6.44 x 10-2 mol/L and a pH of 5.60. Carbolic acid ionizes in water according to the equation
HC6H5O(aq) + H2O(l) ⇌ C6H5O-(aq) + H3O+(aq)
- Multiple ChoicePlease save your changes before editing any questions.Which of the following shows the correct dissolution reaction for BaCl2?Ba 2+(aq) + Cl2-(aq) -> BaCl2(s)BaCl2(aq) -> Ba 2+(aq) + 2Cl-(aq)BaCl2(s) -> Ba 2+(aq) + 2Cl-(aq)Ba 2+(aq) + 2Cl-(aq) -> BaCl2(s)
- Multiple ChoicePlease save your changes before editing any questions.
What is the Ksp expression for Cu3(PO4)2?
Ksp = [Cu+2]3[PO4-3]2
Ksp = [Cu+2]2[PO4-3]3
Ksp = [Cu+2][PO4-3]
Ksp = [Cu+2]3[PO4-3]
- Multiple ChoicePlease save your changes before editing any questions.When the chemical reaction A + B ↔ C+ D is at equilibrium,both the forward and reverse reactions have stopped.the sum of the concentrations of A and B equals the sum of the concentrations of C and D.all four concentrations are equal.neither the forward nor the reverse reactions have stopped.