Consider the reaction Cu(OH)2(s)+ 4NH3(aq) ? Cu(NH3)42+(aq)+ 2OH?(aq) K = 4 × 10?7 If the Kf for Cu(NH3)42+ is 1 × 1012,what is the value of Ksp for Cu(OH)2?

A) 4 × 10?19 B) 2 × 10?13 C) 5 × 10?12 D) 4 × 10?7 E) 4 × 105 A) 4 × 10?19 B) 2 × 10?13 C) 5 × 10?12 D) 4 × 10?7 E) 4 × 105 A

The formation constant for Ag(CN)2−(aq)is 2 × 1020.At what cyanide ion concentration is [Ag+] = [ Ag(CN)2−]?

A) 3 × 10−41 M B) 5 × 10−21 M C) 7 × 10−11 M D) 6 × 10−6 M E) 1 × 1010 M A) 3 × 10−41 M B) 5 × 10−21 M C) 7 × 10−11 M D) 6 × 10−6 M E) 1 × 1010 M C

What is the water solubility of BaF2(s)in 0.033 M KF(aq)at 25°C? The Ksp of BaF2 is 1.8 × 10-7 at 25°C.

A) 2.7 × 10-6 M B) 5.5 × 10-6 M C) 4.1 × 10-5 M D) 1.1 × 10-4 M E) 1.7 × 10-4 M A) 2.7 × 10-6 M B) 5.5 × 10-6 M C) 4.1 × 10-5 M D) 1.1 × 10-4 M E) 1.7 × 10-4 M E

The Ksp of calcium iodate is 7.1 × 10−7.What is the concentration of Ca2+ in equilibrium with Ca(IO3)2(s)if [IO3−] = 3.3 × 10−2 M?

A) 3.3 × 10−7 M B) 2.2 × 10−5 M C) 8.1 × 10−5 M D) 6.5 × 10−4 M E) 7.1 × 10−3 M A) 3.3 × 10−7 M B) 2.2 × 10−5 M C) 8.1 × 10−5 M D) 6.5 × 10−4 M E) 7.1 × 10−3 M

A saturated solution of lead(II)sulfate can be prepared by diluting 0.0101 g of PbSO4 to 250 mL.What is the Ksp of lead(II)sulfate?

A) 8.3 × 10−12 B) 1.6 × 10−9 C) 1.8 × 10−8 D) 4.5 × 10−8 E) 8.4 × 10−7 A) 8.3 × 10−12 B) 1.6 × 10−9 C) 1.8 × 10−8 D) 4.5 × 10−8 E) 8.4 × 10−7

The solubility of BaCrO4(s)in water is 3.7 milligrams in 1.0 L at 25°C.What is the value of Ksp for BaCrO4?

A) 2.1 × 10-10 B) 8.6 × 10-10 C) 1.4 × 10-5 D) 1.5 × 10-5 E) 2.9 × 10-5 A) 2.1 × 10-10 B) 8.6 × 10-10 C) 1.4 × 10-5 D) 1.5 × 10-5 E) 2.9 × 10-5

What volume of water is needed to completely dissolve 1.0 g of Ag2CrO4 (Ksp = 8.0 × 10−12,MM = 331.8 g/mol)?

A) 0.94 L B) 1.1 L C) 1.7 L D) 24 L E) 2.6 × 105 L A) 0.94 L B) 1.1 L C) 1.7 L D) 24 L E) 2.6 × 105 L

What is the water solubility of PbI2 (Ksp = 8.4 × 10−9,MM = 461 g/mol)in moles per liter?

A) 8.4 × 10−9 M B) 1.9 × 10−7 M C) 9.1 × 10−5 M D) 1.3 × 10−3 M E) 2.0 × 10−3 M A) 8.4 × 10−9 M B) 1.9 × 10−7 M C) 9.1 × 10−5 M D) 1.3 × 10−3 M E) 2.0 × 10−3 M

What is the concentration of Ag+ in a saturated solution of Ag2CrO4 if Ksp = 1 × 10−12?

A) 1 × 10−12 M B) 5 × 10−5 M C) 6 × 10−5 M D) 1 × 10−4 M E) 2 × 10−4 M A) 1 × 10−12 M B) 5 × 10−5 M C) 6 × 10−5 M D) 1 × 10−4 M E) 2 × 10−4 M

For AgCl,Ksp = 1.8 × 10−10.What will occur if 250 mL of 1.5 × 10−3 M NaCl is mixed with 250 mL of 2.0 × 10−7M AgNO3?

A) Q > Ksp.A precipitate will form. B) Ksp > Q.A precipitate will form. C) Q = Ksp.No precipitate will form. D) Q > Ksp.No precipitate will form. E) Ksp > Q.No precipitate will form. A) Q > Ksp.A precipitate will form. B) Ksp > Q.A precipitate will form. C) Q = Ksp.No precipitate will form. D) Q > Ksp.No precipitate will form. E) Ksp > Q.No precipitate will form.

The Ksp of BaSO4 is 1.1 × 10-10 at 25°C.What mass of BaSO4 (molar mass = 233.4 g/mol)will dissolve in 1.0 L of water at 25°C?

A) 2.6 × 10−8 g B) 4.5 × 10−8 g C) 1.0 × 10−5 g D) 1.6 × 10−4 g E) 2.4 × 10−3 g A) 2.6 × 10−8 g B) 4.5 × 10−8 g C) 1.0 × 10−5 g D) 1.6 × 10−4 g E) 2.4 × 10−3 g

Consider the equilibrium of Ca(OH)2(s)in water. Ca(OH)2(s) ? Ca2+(aq)+ 2OH?(aq), What is the effect of raising the pH of the solution?

A) Ca2+(aq)is reduced to Ca(s). B) The concentration of hydronium ion increases. C) The concentration of Ca2+ increases as Ca(OH)2 dissolves. D) Ca(OH)2(s)precipitates until equilibrium is reestablished. E) Hydroxide ion is reduced to H2(g). A) Ca2+(aq)is reduced to Ca(s). B) The concentration of hydronium ion increases. C) The concentration of Ca2+ increases as Ca(OH)2 dissolves. D) Ca(OH)2(s)precipitates until equilibrium is reestablished. E) Hydroxide ion is reduced to H2(g).

The Ksp of Fe(OH)3(s)is 3 × 10−39.What concentration of Fe3+ can exist in solution at pH 3.0?

A) 3 × 10−4 M B) 3 × 10−6 M C) 3 × 10−21 M D) 3 × 10−24 M E) 3 × 10−30 M A) 3 × 10−4 M B) 3 × 10−6 M C) 3 × 10−21 M D) 3 × 10−24 M E) 3 × 10−30 M

The Ksp of aluminum hydroxide,Al(OH)3,is 2 × 10−31.What pH is required to limit the Al3+ concentration to less than or equal to 1 × 10−10 M?

A) 3.6 B) 6.4 C) 7.1 D) 7.8 E) 11.5 A) 3.6 B) 6.4 C) 7.1 D) 7.8 E) 11.5

For Mg(OH)2,Ksp = 6 × 10−12.What will occur if 1.0 L of 0.010 M Mg(NO3)2 is prepared at pH 10.00?

A) Q > Ksp.A precipitate will form. B) Ksp > Q.A precipitate will form. C) Q = Ksp.No precipitate will form. D) Q > Ksp.No precipitate will form. E) Ksp > Q.No precipitate will form. A) Q > Ksp.A precipitate will form. B) Ksp > Q.A precipitate will form. C) Q = Ksp.No precipitate will form. D) Q > Ksp.No precipitate will form. E) Ksp > Q.No precipitate will form.

Exam 15: Complex Ion and Precipitation Equilibria

Consider the reaction Cu(OH)₂(s)+ 4NH₃(aq) ? Cu(NH₃)₄²⁺(aq)+ 2OH?(aq) K = 4 × 10?⁷ If the K_f for Cu(NH₃)₄²⁺ is 1 × 10¹²,what is the value of K_sp for Cu(OH)₂?

Free

(Multiple Choice)

4.8/5

(32)

Question 1

Correct Answer:

Verified

The formation constant for Ag(CN)₂−(aq)is 2 × 10²⁰.At what cyanide ion concentration is [Ag⁺] = [ Ag(CN)₂−]?

Free

(Multiple Choice)

4.9/5

(44)

Question 2

Correct Answer:

Verified

What is the water solubility of BaF₂(s)in 0.033 M KF(aq)at 25°C? The K_sp of BaF₂ is 1.8 × 10^-7 at 25°C.

Free

(Multiple Choice)

4.8/5

(36)

Question 3

Correct Answer:

Verified

The K_sp of calcium iodate is 7.1 × 10−⁷.What is the concentration of Ca²⁺ in equilibrium with Ca(IO₃)₂(s)if [IO₃−] = 3.3 × 10−² M?

(Multiple Choice)

4.8/5

(31)

Question 4

A saturated solution of lead(II)sulfate can be prepared by diluting 0.0101 g of PbSO₄ to 250 mL.What is the K_sp of lead(II)sulfate?

(Multiple Choice)

4.7/5

(41)

Question 5

What is the net ionic equation for the reaction of KCl with a strong base?

(Multiple Choice)

4.7/5

(24)

Question 6

The solubility of BaCrO₄(s)in water is 3.7 milligrams in 1.0 L at 25°C.What is the value of K_sp for BaCrO₄?

(Multiple Choice)

4.9/5

(35)

Question 7

What volume of water is needed to completely dissolve 1.0 g of Ag₂CrO₄ (K_sp = 8.0 × 10−¹²,MM = 331.8 g/mol)?

(Multiple Choice)

4.9/5

(40)

Question 8

What is the water solubility of PbI₂ (K_sp = 8.4 × 10−⁹,MM = 461 g/mol)in moles per liter?

(Multiple Choice)

4.7/5

(38)

Question 9

What is the concentration of Ag⁺ in a saturated solution of Ag₂CrO₄ if K_sp = 1 × 10−¹²?

(Multiple Choice)

4.9/5

(37)

Question 10

For AgCl,K_sp = 1.8 × 10−¹⁰.What will occur if 250 mL of 1.5 × 10−³ M NaCl is mixed with 250 mL of 2.0 × 10−⁷M AgNO₃?

(Multiple Choice)

4.7/5

(34)

Question 11

The K_sp of BaSO₄ is 1.1 × 10^-10 at 25°C.What mass of BaSO₄ (molar mass = 233.4 g/mol)will dissolve in 1.0 L of water at 25°C?

(Multiple Choice)

4.8/5

(47)

Question 12

Consider the equilibrium of Ca(OH)₂(s)in water. Ca(OH)₂(s) ? Ca²⁺(aq)+ 2OH?(aq), What is the effect of raising the pH of the solution?

(Multiple Choice)

4.8/5

(43)

Question 13

The K_sp of Fe(OH)₃(s)is 3 × 10−³⁹.What concentration of Fe³⁺ can exist in solution at pH 3.0?

(Multiple Choice)

4.9/5

(41)

Question 14

What is the chemical equation that describes the dissolution of calcium iodate in water?

(Multiple Choice)

4.7/5

(37)

Question 15

Which of the following equations is the solubility product of Cu(II)hydroxide,Cu(OH)₂?

(Multiple Choice)

4.7/5

(41)

Question 16

The K_sp of aluminum hydroxide,Al(OH)₃,is 2 × 10−³¹.What pH is required to limit the Al³⁺ concentration to less than or equal to 1 × 10−¹⁰ M?

(Multiple Choice)

4.8/5

(38)

Question 17

For Mg(OH)₂,K_sp = 6 × 10−¹².What will occur if 1.0 L of 0.010 M Mg(NO₃)₂ is prepared at pH 10.00?

(Multiple Choice)

4.8/5

(45)

Question 18

Which of the boxes below represents solid MX₂ in equilibrium with M²⁺ (squares)and X− (circles)?

(Multiple Choice)

4.8/5

(37)

Question 19

A solution containing an unknown metal ion is analyzed by qualitative analysis.Addition of chloride has no effect on the solution.Addition of H₂S at pH 0.5 results in a precipitate.What group of cations is present?

(Multiple Choice)

4.8/5

(34)

Question 20

Showing 1 - 20 of 59

Exam 15: Complex Ion and Precipitation Equilibria

Consider the reaction Cu(OH)2(s)+ 4NH3(aq) ? Cu(NH3)42+(aq)+ 2OH?(aq) K = 4 × 10?7 If the Kf for Cu(NH3)42+ is 1 × 1012,what is the value of Ksp for Cu(OH)2?

The formation constant for Ag(CN)2−(aq)is 2 × 1020.At what cyanide ion concentration is [Ag+] = [ Ag(CN)2−]?

What is the water solubility of BaF2(s)in 0.033 M KF(aq)at 25°C? The Ksp of BaF2 is 1.8 × 10-7 at 25°C.

The Ksp of calcium iodate is 7.1 × 10−7.What is the concentration of Ca2+ in equilibrium with Ca(IO3)2(s)if [IO3−] = 3.3 × 10−2 M?

A saturated solution of lead(II)sulfate can be prepared by diluting 0.0101 g of PbSO4 to 250 mL.What is the Ksp of lead(II)sulfate?

What is the net ionic equation for the reaction of KCl with a strong base?

The solubility of BaCrO4(s)in water is 3.7 milligrams in 1.0 L at 25°C.What is the value of Ksp for BaCrO4?

What volume of water is needed to completely dissolve 1.0 g of Ag2CrO4 (Ksp = 8.0 × 10−12,MM = 331.8 g/mol)?

What is the water solubility of PbI2 (Ksp = 8.4 × 10−9,MM = 461 g/mol)in moles per liter?

What is the concentration of Ag+ in a saturated solution of Ag2CrO4 if Ksp = 1 × 10−12?

For AgCl,Ksp = 1.8 × 10−10.What will occur if 250 mL of 1.5 × 10−3 M NaCl is mixed with 250 mL of 2.0 × 10−7M AgNO3?

The Ksp of BaSO4 is 1.1 × 10-10 at 25°C.What mass of BaSO4 (molar mass = 233.4 g/mol)will dissolve in 1.0 L of water at 25°C?

Consider the equilibrium of Ca(OH)2(s)in water. Ca(OH)2(s) ? Ca2+(aq)+ 2OH?(aq), What is the effect of raising the pH of the solution?

The Ksp of Fe(OH)3(s)is 3 × 10−39.What concentration of Fe3+ can exist in solution at pH 3.0?

What is the chemical equation that describes the dissolution of calcium iodate in water?

Which of the following equations is the solubility product of Cu(II)hydroxide,Cu(OH)2?

The Ksp of aluminum hydroxide,Al(OH)3,is 2 × 10−31.What pH is required to limit the Al3+ concentration to less than or equal to 1 × 10−10 M?

For Mg(OH)2,Ksp = 6 × 10−12.What will occur if 1.0 L of 0.010 M Mg(NO3)2 is prepared at pH 10.00?

Which of the boxes below represents solid MX2 in equilibrium with M2+ (squares)and X− (circles)?

A solution containing an unknown metal ion is analyzed by qualitative analysis.Addition of chloride has no effect on the solution.Addition of H2S at pH 0.5 results in a precipitate.What group of cations is present?

Matter and Measurements

Atoms, molecules, and Ions

Mass Relations in Chemistry;stoichiometry

Reactions in Aqueous Solution

Gases

Electronic Structure and the Periodic Table

Covalent Bonding

Thermochemistry

Liquids and Solids

Solutions

Rate of Reaction

Gaseous Chemical Equilibrium

Acids and Bases

Equilibria in Acid-Base Solutions

Spontaneity of Reaction

Electrochemistry

Nuclear Reactions

Complex Ions

Chemistry of the Metals

Chemistry of the Nonmetals

Organic Chemistry

Organic Polymers, natural and Synthetic

Filters

Consider the reaction Cu(OH)₂(s)+ 4NH₃(aq) ? Cu(NH₃)₄²⁺(aq)+ 2OH?(aq) K = 4 × 10?⁷ If the K_f for Cu(NH₃)₄²⁺ is 1 × 10¹²,what is the value of K_sp for Cu(OH)₂?

The formation constant for Ag(CN)₂−(aq)is 2 × 10²⁰.At what cyanide ion concentration is [Ag⁺] = [ Ag(CN)₂−]?

What is the water solubility of BaF₂(s)in 0.033 M KF(aq)at 25°C? The K_sp of BaF₂ is 1.8 × 10^-7 at 25°C.

The K_sp of calcium iodate is 7.1 × 10−⁷.What is the concentration of Ca²⁺ in equilibrium with Ca(IO₃)₂(s)if [IO₃−] = 3.3 × 10−² M?

A saturated solution of lead(II)sulfate can be prepared by diluting 0.0101 g of PbSO₄ to 250 mL.What is the K_sp of lead(II)sulfate?

The solubility of BaCrO₄(s)in water is 3.7 milligrams in 1.0 L at 25°C.What is the value of K_sp for BaCrO₄?

What volume of water is needed to completely dissolve 1.0 g of Ag₂CrO₄ (K_sp = 8.0 × 10−¹²,MM = 331.8 g/mol)?

What is the water solubility of PbI₂ (K_sp = 8.4 × 10−⁹,MM = 461 g/mol)in moles per liter?

What is the concentration of Ag⁺ in a saturated solution of Ag₂CrO₄ if K_sp = 1 × 10−¹²?

For AgCl,K_sp = 1.8 × 10−¹⁰.What will occur if 250 mL of 1.5 × 10−³ M NaCl is mixed with 250 mL of 2.0 × 10−⁷M AgNO₃?

The K_sp of BaSO₄ is 1.1 × 10^-10 at 25°C.What mass of BaSO₄ (molar mass = 233.4 g/mol)will dissolve in 1.0 L of water at 25°C?

Consider the equilibrium of Ca(OH)₂(s)in water. Ca(OH)₂(s) ? Ca²⁺(aq)+ 2OH?(aq), What is the effect of raising the pH of the solution?

The K_sp of Fe(OH)₃(s)is 3 × 10−³⁹.What concentration of Fe³⁺ can exist in solution at pH 3.0?

Which of the following equations is the solubility product of Cu(II)hydroxide,Cu(OH)₂?

The K_sp of aluminum hydroxide,Al(OH)₃,is 2 × 10−³¹.What pH is required to limit the Al³⁺ concentration to less than or equal to 1 × 10−¹⁰ M?

For Mg(OH)₂,K_sp = 6 × 10−¹².What will occur if 1.0 L of 0.010 M Mg(NO₃)₂ is prepared at pH 10.00?

Which of the boxes below represents solid MX₂ in equilibrium with M²⁺ (squares)and X− (circles)?

A solution containing an unknown metal ion is analyzed by qualitative analysis.Addition of chloride has no effect on the solution.Addition of H₂S at pH 0.5 results in a precipitate.What group of cations is present?