If iron(III)acetate is added to be 1 × 10-10 M in an aqueous solution that is 0.10 M NH3,what is Qsp and will Fe(OH)3 precipitate? The Ksp of Fe(OH)3(s)is 4 × 10-38 and Kb for NH3 is 1.8 × 10-5.

A) 1.3 × 10-13,yes B) 1.7 × 10-16,yes C) 1.7 × 10-16,no D) 2.4 × 10-19,yes E) 2.4 × 10-19,no A) 1.3 × 10-13,yes B) 1.7 × 10-16,yes C) 1.7 × 10-16,no D) 2.4 × 10-19,yes E) 2.4 × 10-19,no

What is the concentration of Ca2+ in ppm (mg/L)in cave water saturated with calcite (calcium carbonate,Ksp = 4.7 × 10-9)?

A) 7.5 ppm B) 6.9 ppm C) 5.0 ppm D) 3.8 ppm E) 2.7 ppm A) 7.5 ppm B) 6.9 ppm C) 5.0 ppm D) 3.8 ppm E) 2.7 ppm

What ratio of [NH4+]/[NH3] would provide a buffer of pH low enough to avoid precipitation of Co(OH)2(s)from a 0.50 M Co2+(aq)solution? (Kb for NH3 = 1.8 × 10-5 and Ksp for Co(OH)2= 2.0 × 10-14

A) 1/50 B) 1/90 C) 1/1 D) 90/1 E) 50/1 A) 1/50 B) 1/90 C) 1/1 D) 90/1 E) 50/1

To a concentrated buffer of pH 4.0 is added an equal volume of an aqueous solution that is 0.020 M in Cr3+,Cd2+ and Al3+.The expected precipitate would consist of ________.

A) Al(OH)3 B) Al(OH)3 and Cr(OH)3 C) Cd(OH)2 D) Cd(OH)2 and Cr(OH)3 E) Cd(OH)2,Cr(OH)3 and Al(OH)3 A) Al(OH)3 B) Al(OH)3 and Cr(OH)3 C) Cd(OH)2 D) Cd(OH)2 and Cr(OH)3 E) Cd(OH)2,Cr(OH)3 and Al(OH)3

Exam 18: Solubility and Complex-Ion Equilibria

If iron(III)acetate is added to be 1 × 10^-10 M in an aqueous solution that is 0.10 M NH₃,what is Q_spand will Fe(OH)₃ precipitate? The K_sp of Fe(OH)₃(s)is 4 × 10^-38 and K_b for NH₃ is 1.8 × 10^-5.

(Multiple Choice)

4.9/5

(68)

Question 41

When solid silver chloride is shaken with a 0.1 molar aqueous solution of potassium iodide,most of the silver chloride is converted to silver iodide.This transformation takes place because:

(Multiple Choice)

4.9/5

(70)

Question 42

The solubility of magnesium fluoride is 1.17 × 10^-3 M.Find the value of K_sp for this compound.

(Multiple Choice)

4.7/5

(80)

Question 43

What is the concentration of Ca²⁺ in ppm (mg/L)in cave water saturated with calcite (calcium carbonate,K_sp = 4.7 × 10^-9)?

(Multiple Choice)

4.8/5

(79)

Question 44

What ratio of [NH₄⁺]/[NH₃] would provide a buffer of pH low enough to avoid precipitation of Co(OH)₂(s)from a 0.50 M Co²⁺(aq)solution? (K_b for NH₃ = 1.8 × 10^-5 and K_{sp for} Co(OH)₂= 2.0 × 10^-14

(Multiple Choice)

4.8/5

(83)

Question 45

A small amount of solid calcium hydroxide is shaken vigorously in a test tube almost full of water until no further change occurs and most of the solid settles out.The resulting solution is:

(Multiple Choice)

4.8/5

(79)

Question 46

What molar concentration of silver ion could exist in a solution in which the concentration of CrO₄^2- is 1.0 × 10^-4 M? (K_sp of Ag₂CrO₄ = 1.1 × 10^-12)

(Multiple Choice)

4.8/5

(75)

Question 47

The diverse ion effect is also called the salt effect.

(True/False)

4.7/5

(75)

Question 48

Which of the following is most soluble?

(Multiple Choice)

4.8/5

(77)

Question 49

In which of the following one molar aqueous solutions would you expect cadmium sulfide,CdS,to be the most soluble?

(Multiple Choice)

4.8/5

(89)

Question 50

When 100 mL each of 2.0 × 10^-6 M Ag⁺(aq)and 2.0 × 10^-3 M Br^-(aq)are mixed,what is the remaining Ag⁺(aq)ion concentration and is precipitation complete? The solubility product constant of AgBr(s)is 5.0 × 10^-13.

(Multiple Choice)

4.9/5

(77)

Question 51

The relationship between the molar concentration of silver ion in a saturated solution of silver phosphate and the solubility product constant for silver phosphate is ________.

(Multiple Choice)

4.9/5

(78)

Question 52

Write the solubility product constant expression for the following salt: Ag₂SO₄(s).

(Multiple Choice)

4.8/5

(88)

Question 53

Write the solubility product constant expression for the following salt: Ca₃(PO₄)₂(s).

(Multiple Choice)

4.9/5

(82)

Question 54

Predict the molar solubility of the following salt in an aqueous solution that contains the given concentration of one of its ions: BaSO₄;[SO₄^2-] = 4.3 × 10^-5 M;K_sp = 1.1 × 10^-10

(Multiple Choice)

4.9/5

(85)

Question 55

Write the solubility product constant expression for the following salt: CoS(s).

(Multiple Choice)

4.8/5

(76)

Question 56

Equal volumes of 0.020 M Ag⁺(aq)solution and 2.0 M NH₃(aq)solution are mixed.K_f for [Ag(NH₃)₂]⁺ is 1.6 × 10⁷.If trisodium arsenate is added so that the arsenate ion concentration is 0.10 M,will silver arsenate precipitate? What is Q_sp? K_sp for silver arsenate is 1.0 × 10^-22.

(Multiple Choice)

4.9/5

(76)

Question 57

To a concentrated buffer of pH 4.0 is added an equal volume of an aqueous solution that is 0.020 M in Cr³⁺,Cd²⁺ and Al³⁺.The expected precipitate would consist of ________.

(Multiple Choice)

4.9/5

(85)

Question 58

At a temperature for which the solubility product constant of calcium carbonate is 4.7 × 10^-9,what mass of the salt will dissolve in 100 mL of water?

(Multiple Choice)

4.8/5

(70)

Question 59

A swimming pool was sufficiently alkaline so that the carbon dioxide absorbed from the air produced a solution in the pool that was 2 × 10^-4 M in carbonate ion.If the pool originally contained 4 × 10^-3 M Mg²⁺,6 × 10^-4 M Ca²⁺,and 8 × 10^-7 M Fe²⁺,then the precipitate that was formed consisted of ________. (K_sp values are: CaCO₃,4.7 × 10^-9;MgCO₃,4.0 × 10^-5;FeCO₃,2.0 × 10^-11)

(Multiple Choice)

4.8/5

(73)

Question 60

Showing 41 - 60 of 104

Exam 18: Solubility and Complex-Ion Equilibria

If iron(III)acetate is added to be 1 × 10-10 M in an aqueous solution that is 0.10 M NH3,what is Qsp and will Fe(OH)3 precipitate? The Ksp of Fe(OH)3(s)is 4 × 10-38 and Kb for NH3 is 1.8 × 10-5.

When solid silver chloride is shaken with a 0.1 molar aqueous solution of potassium iodide,most of the silver chloride is converted to silver iodide.This transformation takes place because:

The solubility of magnesium fluoride is 1.17 × 10-3 M.Find the value of Ksp for this compound.

What is the concentration of Ca2+ in ppm (mg/L)in cave water saturated with calcite (calcium carbonate,Ksp = 4.7 × 10-9)?

What ratio of [NH4+]/[NH3] would provide a buffer of pH low enough to avoid precipitation of Co(OH)2(s)from a 0.50 M Co2+(aq)solution? (Kb for NH3 = 1.8 × 10-5 and Ksp for Co(OH)2= 2.0 × 10-14

A small amount of solid calcium hydroxide is shaken vigorously in a test tube almost full of water until no further change occurs and most of the solid settles out.The resulting solution is:

What molar concentration of silver ion could exist in a solution in which the concentration of CrO42- is 1.0 × 10-4 M? (Ksp of Ag2CrO4 = 1.1 × 10-12)

The diverse ion effect is also called the salt effect.

Which of the following is most soluble?

In which of the following one molar aqueous solutions would you expect cadmium sulfide,CdS,to be the most soluble?

When 100 mL each of 2.0 × 10-6 M Ag+(aq)and 2.0 × 10-3 M Br-(aq)are mixed,what is the remaining Ag+(aq)ion concentration and is precipitation complete? The solubility product constant of AgBr(s)is 5.0 × 10-13.

The relationship between the molar concentration of silver ion in a saturated solution of silver phosphate and the solubility product constant for silver phosphate is ________.

Write the solubility product constant expression for the following salt: Ag2SO4(s).

Write the solubility product constant expression for the following salt: Ca3(PO4)2(s).

Predict the molar solubility of the following salt in an aqueous solution that contains the given concentration of one of its ions: BaSO4;[SO42-] = 4.3 × 10-5 M;Ksp = 1.1 × 10-10

Write the solubility product constant expression for the following salt: CoS(s).

Equal volumes of 0.020 M Ag+(aq)solution and 2.0 M NH3(aq)solution are mixed.Kf for [Ag(NH3)2]+ is 1.6 × 107.If trisodium arsenate is added so that the arsenate ion concentration is 0.10 M,will silver arsenate precipitate? What is Qsp? Ksp for silver arsenate is 1.0 × 10-22.

To a concentrated buffer of pH 4.0 is added an equal volume of an aqueous solution that is 0.020 M in Cr3+,Cd2+ and Al3+.The expected precipitate would consist of ________.

At a temperature for which the solubility product constant of calcium carbonate is 4.7 × 10-9,what mass of the salt will dissolve in 100 mL of water?

Matter: Its Properties and Measurement

Atoms and the Atomic Theory

Chemical Compounds

Chemical Reactions

Introduction to Reactions in Aqueous Solutions

Gases

Thermochemistry

Electrons in Atoms

The Periodic Table and Some Atomic Properties

Chemical Bonding I: Basic Concepts

Chemical Bonding Ii: Valence Bond and Molecular Orbital Theories

Intermolecular Forces: Liquids and Solids

Spontaneous Change: Entropy and Gibbs Energy

Solutions and Their Physical Properties

Principles of Chemical Equilibrium

Acids and Bases

Additional Aspects of Acidbase Equilibria

Electrochemistry

Chemical Kinetics

Chemistry of the Main-Group Elements I: Groups 1,2,13,and 14

Chemistry of the Main-Group Elements Ii: Groups 18,17,16,15,and Hydrogen

The Transition Elements

Complex Ions and Coordination Compounds

Nuclear Chemistry

Structures of Organic Compounds

Reactions of Organic Compounds

Chemistry of the Living State

Filters

If iron(III)acetate is added to be 1 × 10^-10 M in an aqueous solution that is 0.10 M NH₃,what is Q_spand will Fe(OH)₃ precipitate? The K_sp of Fe(OH)₃(s)is 4 × 10^-38 and K_b for NH₃ is 1.8 × 10^-5.

The solubility of magnesium fluoride is 1.17 × 10^-3 M.Find the value of K_sp for this compound.

What is the concentration of Ca²⁺ in ppm (mg/L)in cave water saturated with calcite (calcium carbonate,K_sp = 4.7 × 10^-9)?

What ratio of [NH₄⁺]/[NH₃] would provide a buffer of pH low enough to avoid precipitation of Co(OH)₂(s)from a 0.50 M Co²⁺(aq)solution? (K_b for NH₃ = 1.8 × 10^-5 and K_{sp for} Co(OH)₂= 2.0 × 10^-14

What molar concentration of silver ion could exist in a solution in which the concentration of CrO₄^2- is 1.0 × 10^-4 M? (K_sp of Ag₂CrO₄ = 1.1 × 10^-12)

When 100 mL each of 2.0 × 10^-6 M Ag⁺(aq)and 2.0 × 10^-3 M Br^-(aq)are mixed,what is the remaining Ag⁺(aq)ion concentration and is precipitation complete? The solubility product constant of AgBr(s)is 5.0 × 10^-13.

Write the solubility product constant expression for the following salt: Ag₂SO₄(s).

Write the solubility product constant expression for the following salt: Ca₃(PO₄)₂(s).

Predict the molar solubility of the following salt in an aqueous solution that contains the given concentration of one of its ions: BaSO₄;[SO₄^2-] = 4.3 × 10^-5 M;K_sp = 1.1 × 10^-10

Equal volumes of 0.020 M Ag⁺(aq)solution and 2.0 M NH₃(aq)solution are mixed.K_f for [Ag(NH₃)₂]⁺ is 1.6 × 10⁷.If trisodium arsenate is added so that the arsenate ion concentration is 0.10 M,will silver arsenate precipitate? What is Q_sp? K_sp for silver arsenate is 1.0 × 10^-22.

To a concentrated buffer of pH 4.0 is added an equal volume of an aqueous solution that is 0.020 M in Cr³⁺,Cd²⁺ and Al³⁺.The expected precipitate would consist of ________.

At a temperature for which the solubility product constant of calcium carbonate is 4.7 × 10^-9,what mass of the salt will dissolve in 100 mL of water?