The figure below represents the results of adding NH3 to a saturated solution of an ionic compound.Which of the following could the ionic compound be?

A) AgCl or CaF2 B) CaF2 C) Mg(OH)2 D) AgCl E) SrCO3 A) AgCl or CaF2 B) CaF2 C) Mg(OH)2 D) AgCl E) SrCO3

The insoluble salts AV,B2W,C2X3,DY2,and EZ3,which were formed from the metal ions A+,B+,C3+,D2+,and E3+ and the nonmetals V1-,W2-,X2-,Y1-,and Z1-,all have the same Ksp value.Which salt has the highest molar solubility?

A) AV B) EZ3 C) DY2 D) B2W E) C2X3 A) AV B) EZ3 C) DY2 D) B2W E) C2X3

If 275 mL of 1 × 10-7 M AgNO3 is mixed with 275 mL of 1 × 10-8 M NaI,what will occur? For AgI,Ksp = 8.3 × 10-17.

A) Sodium nitrate will precipitate. B) Silver(I)nitrate will precipitate. C) Sodium iodide will precipitate. D) Silver(I)iodide will precipitate. E) No precipitate will form. A) Sodium nitrate will precipitate. B) Silver(I)nitrate will precipitate. C) Sodium iodide will precipitate. D) Silver(I)iodide will precipitate. E) No precipitate will form.

What is the maximum hydroxide-ion concentration that a 0.025 M MgCl2 solution could have without causing the precipitation of Mg(OH)2? For Mg(OH)2,Ksp = 1.8 × 10-11.

A) 4.2 × 10-6 B) 1.7 × 10-4 C) 1.2 × 10-8 D) 7.2 × 10-9 E) 2.7 × 10-5 A) 4.2 × 10-6 B) 1.7 × 10-4 C) 1.2 × 10-8 D) 7.2 × 10-9 E) 2.7 × 10-5

Which Figures I-IV represent(s)the result of mixing aqueous solutions of NaOH and CuCl2 in which the ion product Qc > Ksp for the insoluble product? (C = cation,A = anion)

A) only II B) both I and II C) only IV D) only I E) only III A) only II B) both I and II C) only IV D) only I E) only III

What is the pH of a saturated solution of Zn(OH)2? For Zn(OH)2,Ksp = 2.1 × 10-16.

A) 5.13 B) 8.57 C) 5.43 D) 8.87 E) 7.00 A) 5.13 B) 8.57 C) 5.43 D) 8.87 E) 7.00

Cyanide ion forms very stable complex ions with a variety of metal ions.What is the molar equilibrium concentration of uncomplexed Ni2+(aq)in a solution that initially contains 1.3 mol of Ni(CN)42− per liter of solution .Kf for Ni(CN)42− is .

A) M B) M C) M D) M E) M A) M B) M C) M D) M E) M

Calculate the molar concentration of uncomplexed Zn2+(aq)in a solution that contains 0.21 mol of Zn(NH3)42+ per liter and 0.4986 M NH3 at equilibrium.Kf for Zn(NH3)42+ is .

A) M B) M C) M D) M E) M A) M B) M C) M D) M E) M

Exam 17: Solubility and Complex-Ion Equilibria

In the sulfide scheme for qualitative analysis,the cations of Analytical Group IV are precipitated as phosphates or carbonates.Analytical Group IV consists of

(Multiple Choice)

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Question 81

The figure below represents the results of adding NH₃ to a saturated solution of an ionic compound.Which of the following could the ionic compound be?

(Multiple Choice)

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Question 82

The insoluble salts AV,B₂W,C₂X₃,DY₂,and EZ₃,which were formed from the metal ions A⁺,B⁺,C³⁺,D²⁺,and E³⁺ and the nonmetals V^1-,W^2-,X^2-,Y^1-,and Z^1-,all have the same K_sp value.Which salt has the highest molar solubility?

(Multiple Choice)

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Question 83

Suppose 50.00 mL of a 1 × 10^-7 M solution of lead(II)nitrate is mixed with 50.00 mL of a 1 × 10^-8 solution of sodium phosphate.Which of the following statements is true? For lead(II)phosphate,K_sp = 1 × 10^-44.

(Multiple Choice)

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Question 84

If 275 mL of 1 × 10^-7 M AgNO₃ is mixed with 275 mL of 1 × 10^-8 M NaI,what will occur? For AgI,K_sp = 8.3 × 10^-17.

(Multiple Choice)

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Question 85

What is the maximum hydroxide-ion concentration that a 0.025 M MgCl₂ solution could have without causing the precipitation of Mg(OH)₂? For Mg(OH)₂,K_sp = 1.8 × 10^-11.

(Multiple Choice)

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Question 86

Sodium chloride is added slowly to a solution that is 0.010 M in Cu⁺,Ag⁺,and Au⁺.The K_sp values for the chloride salts are 1.9 × 10^-7,1.6 × 10^-10,and 2.0 × 10^-13,respectively.Which compound will precipitate first?

(Multiple Choice)

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Question 87

Which Figures I-IV represent(s)the result of mixing aqueous solutions of NaOH and CuCl₂ in which the ion product Q_c > K_sp for the insoluble product? (C = cation,A = anion)

(Multiple Choice)

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Question 88

What is the relationship between molar solubility (s)and Ksp for calcium fluoride?

(Multiple Choice)

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Question 89

What is the pH of a saturated solution of Zn(OH)₂? For Zn(OH)₂,K_sp = 2.1 × 10^-16.

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Question 90

What will happen if 0.1 mol of solid silver(I)nitrate is added to 1.0 L of a saturated solution of silver(I)chromate? For Ag₂CrO₄,K_sp = 2.4 × 10^-12.

(Multiple Choice)

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Question 91

Cyanide ion forms very stable complex ions with a variety of metal ions.What is the molar equilibrium concentration of uncomplexed Ni²⁺(aq)in a solution that initially contains 1.3 mol of Ni(CN)₄²− per liter of solution .K_f for Ni(CN)₄²− is .

(Multiple Choice)

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Question 92

_____ involves the determination of the identity of the substances present in a mixture.

(Multiple Choice)

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Question 93

What is the solubility (in g/L)of calcium fluoride at 25°C? The solubility product constant for calcium fluoride is 3.4 × 10^-11 at 25°C.

(Multiple Choice)

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Question 94

For which of the following will precipitation be expected?

(Multiple Choice)

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Question 95

Rank the following metal sulfides in order of increasing molar solubility in water. Salt K_sp CoS 4 × 10^-21 CuS 6 × 10^-36 FeS 6 × 10^-18 HgS 1)6 × 10^-52 MnS 2)5 × 10^-10

(Multiple Choice)

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Question 96

The silver-ion concentration in a saturated solution of silver(I)sulfate is 2.9 × 10^-2 M.What is K_sp for silver(I)sulfate?

(Multiple Choice)

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Question 97

What is the best way to ensure complete precipitation of SnS from a saturated H₂S solution?

(Multiple Choice)

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Question 98

Calculate the molar concentration of uncomplexed Zn²⁺(aq)in a solution that contains 0.21 mol of Zn(NH₃)₄²⁺ per liter and 0.4986 M NH₃ at equilibrium.K_f for Zn(NH₃)₄²⁺ is .

(Multiple Choice)

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Question 99

Which of the following particulate views is/are consistent with a heterogeneous equilibrium? I II III

(Multiple Choice)

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Question 100

Showing 81 - 100 of 115

Exam 17: Solubility and Complex-Ion Equilibria

In the sulfide scheme for qualitative analysis,the cations of Analytical Group IV are precipitated as phosphates or carbonates.Analytical Group IV consists of

The figure below represents the results of adding NH3 to a saturated solution of an ionic compound.Which of the following could the ionic compound be?

The insoluble salts AV,B2W,C2X3,DY2,and EZ3,which were formed from the metal ions A+,B+,C3+,D2+,and E3+ and the nonmetals V1-,W2-,X2-,Y1-,and Z1-,all have the same Ksp value.Which salt has the highest molar solubility?

Suppose 50.00 mL of a 1 × 10-7 M solution of lead(II)nitrate is mixed with 50.00 mL of a 1 × 10-8 solution of sodium phosphate.Which of the following statements is true? For lead(II)phosphate,Ksp = 1 × 10-44.

If 275 mL of 1 × 10-7 M AgNO3 is mixed with 275 mL of 1 × 10-8 M NaI,what will occur? For AgI,Ksp = 8.3 × 10-17.

What is the maximum hydroxide-ion concentration that a 0.025 M MgCl2 solution could have without causing the precipitation of Mg(OH)2? For Mg(OH)2,Ksp = 1.8 × 10-11.

Sodium chloride is added slowly to a solution that is 0.010 M in Cu+,Ag+,and Au+.The Ksp values for the chloride salts are 1.9 × 10-7,1.6 × 10-10,and 2.0 × 10-13,respectively.Which compound will precipitate first?

Which Figures I-IV represent(s)the result of mixing aqueous solutions of NaOH and CuCl2 in which the ion product Qc > Ksp for the insoluble product? (C = cation,A = anion)

What is the relationship between molar solubility (s)and Ksp for calcium fluoride?

What is the pH of a saturated solution of Zn(OH)2? For Zn(OH)2,Ksp = 2.1 × 10-16.

What will happen if 0.1 mol of solid silver(I)nitrate is added to 1.0 L of a saturated solution of silver(I)chromate? For Ag2CrO4,Ksp = 2.4 × 10-12.

Cyanide ion forms very stable complex ions with a variety of metal ions.What is the molar equilibrium concentration of uncomplexed Ni2+(aq)in a solution that initially contains 1.3 mol of Ni(CN)42− per liter of solution .Kf for Ni(CN)42− is .

_____ involves the determination of the identity of the substances present in a mixture.

What is the solubility (in g/L)of calcium fluoride at 25°C? The solubility product constant for calcium fluoride is 3.4 × 10-11 at 25°C.

For which of the following will precipitation be expected?

Rank the following metal sulfides in order of increasing molar solubility in water. Salt Ksp CoS 4 × 10-21 CuS 6 × 10-36 FeS 6 × 10-18 HgS 1)6 × 10-52 MnS 2)5 × 10-10

The silver-ion concentration in a saturated solution of silver(I)sulfate is 2.9 × 10-2 M.What is Ksp for silver(I)sulfate?

What is the best way to ensure complete precipitation of SnS from a saturated H2S solution?

Calculate the molar concentration of uncomplexed Zn2+(aq)in a solution that contains 0.21 mol of Zn(NH3)42+ per liter and 0.4986 M NH3 at equilibrium.Kf for Zn(NH3)42+ is .

Which of the following particulate views is/are consistent with a heterogeneous equilibrium? I II III

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The figure below represents the results of adding NH₃ to a saturated solution of an ionic compound.Which of the following could the ionic compound be?

The insoluble salts AV,B₂W,C₂X₃,DY₂,and EZ₃,which were formed from the metal ions A⁺,B⁺,C³⁺,D²⁺,and E³⁺ and the nonmetals V^1-,W^2-,X^2-,Y^1-,and Z^1-,all have the same K_sp value.Which salt has the highest molar solubility?

Suppose 50.00 mL of a 1 × 10^-7 M solution of lead(II)nitrate is mixed with 50.00 mL of a 1 × 10^-8 solution of sodium phosphate.Which of the following statements is true? For lead(II)phosphate,K_sp = 1 × 10^-44.

If 275 mL of 1 × 10^-7 M AgNO₃ is mixed with 275 mL of 1 × 10^-8 M NaI,what will occur? For AgI,K_sp = 8.3 × 10^-17.

What is the maximum hydroxide-ion concentration that a 0.025 M MgCl₂ solution could have without causing the precipitation of Mg(OH)₂? For Mg(OH)₂,K_sp = 1.8 × 10^-11.

Sodium chloride is added slowly to a solution that is 0.010 M in Cu⁺,Ag⁺,and Au⁺.The K_sp values for the chloride salts are 1.9 × 10^-7,1.6 × 10^-10,and 2.0 × 10^-13,respectively.Which compound will precipitate first?

Which Figures I-IV represent(s)the result of mixing aqueous solutions of NaOH and CuCl₂ in which the ion product Q_c > K_sp for the insoluble product? (C = cation,A = anion)

What is the pH of a saturated solution of Zn(OH)₂? For Zn(OH)₂,K_sp = 2.1 × 10^-16.

What will happen if 0.1 mol of solid silver(I)nitrate is added to 1.0 L of a saturated solution of silver(I)chromate? For Ag₂CrO₄,K_sp = 2.4 × 10^-12.

Cyanide ion forms very stable complex ions with a variety of metal ions.What is the molar equilibrium concentration of uncomplexed Ni²⁺(aq)in a solution that initially contains 1.3 mol of Ni(CN)₄²− per liter of solution .K_f for Ni(CN)₄²− is .

What is the solubility (in g/L)of calcium fluoride at 25°C? The solubility product constant for calcium fluoride is 3.4 × 10^-11 at 25°C.

Rank the following metal sulfides in order of increasing molar solubility in water. Salt K_sp CoS 4 × 10^-21 CuS 6 × 10^-36 FeS 6 × 10^-18 HgS 1)6 × 10^-52 MnS 2)5 × 10^-10

The silver-ion concentration in a saturated solution of silver(I)sulfate is 2.9 × 10^-2 M.What is K_sp for silver(I)sulfate?

What is the best way to ensure complete precipitation of SnS from a saturated H₂S solution?

Calculate the molar concentration of uncomplexed Zn²⁺(aq)in a solution that contains 0.21 mol of Zn(NH₃)₄²⁺ per liter and 0.4986 M NH₃ at equilibrium.K_f for Zn(NH₃)₄²⁺ is .