Exam 16: Solubility and Complex Ion Equilibria

arrow
  • Select Tags
search iconSearch Question
flashcardsStudy Flashcards
  • Select Tags

You have two salts,AgX and AgY,with very similar Ksp values.You know that Ka for HX is much greater than Ka for HY.Which salt is more soluble in acidic solution?

(Multiple Choice)
4.9/5
(35)

What is the molar solubility of lead(II)chromate in 0.055 M Na2S2O3? For PbCrO4,Ksp = 2.0 ×\times 10-16;for Pb(S2O3)34-,Kf = 2.2 ×\times 106.

(Multiple Choice)
4.9/5
(47)

The Ksp for BaF2 is 2.4 ×\times 10-5.When 10 mL of 0.01 M NaF is mixed with 10 mL of 0.01 M BaNO3,will a precipitate form?

(Multiple Choice)
4.9/5
(34)

The following questions refer to the following system: 500.0 mL of 0.020 M Mn(NO3)2 are mixed with 1.0 L of 1.0 M Na2C2O4.The oxalate ion,C2O4,acts as a ligand to form a complex ion with the Mn2+ ion with a coordination number of two. Mn2+ + C2O42-  The following questions refer to the following system: 500.0 mL of 0.020 M Mn(NO<sub>3</sub>)<sub>2</sub> are mixed with 1.0 L of 1.0 M Na<sub>2</sub>C<sub>2</sub>O<sub>4</sub>.The oxalate ion,C<sub>2</sub>O<sub>4</sub>,acts as a ligand to form a complex ion with the Mn<sup>2+</sup> ion with a coordination number of two. Mn<sup>2+</sup> + C<sub>2</sub>O<sub>4</sub><sup>2</sup><sup>-</sup> <sup> </sup>   MnC<sub>2</sub>O<sub>4</sub> K<sub>1</sub> = 7.9  \times  10<sup>3</sup> [Mn(C<sub>2</sub>O<sub>4</sub>)<sub>2</sub>]<sup>2</sup><sup>-</sup> <sup> </sup>   MnC<sub>2</sub>O<sub>4 </sub>+ C<sub>2</sub>O<sub>4</sub><sup>2</sup><sup>-</sup> K<sub>2</sub> = 1.26  \times  10<sup>-</sup><sup>2</sup> -Find the equilibrium concentration of Mn(C<sub>2</sub>O<sub>4</sub>)in the system. MnC2O4 K1 = 7.9 ×\times 103 [Mn(C2O4)2]2-  The following questions refer to the following system: 500.0 mL of 0.020 M Mn(NO<sub>3</sub>)<sub>2</sub> are mixed with 1.0 L of 1.0 M Na<sub>2</sub>C<sub>2</sub>O<sub>4</sub>.The oxalate ion,C<sub>2</sub>O<sub>4</sub>,acts as a ligand to form a complex ion with the Mn<sup>2+</sup> ion with a coordination number of two. Mn<sup>2+</sup> + C<sub>2</sub>O<sub>4</sub><sup>2</sup><sup>-</sup> <sup> </sup>   MnC<sub>2</sub>O<sub>4</sub> K<sub>1</sub> = 7.9  \times  10<sup>3</sup> [Mn(C<sub>2</sub>O<sub>4</sub>)<sub>2</sub>]<sup>2</sup><sup>-</sup> <sup> </sup>   MnC<sub>2</sub>O<sub>4 </sub>+ C<sub>2</sub>O<sub>4</sub><sup>2</sup><sup>-</sup> K<sub>2</sub> = 1.26  \times  10<sup>-</sup><sup>2</sup> -Find the equilibrium concentration of Mn(C<sub>2</sub>O<sub>4</sub>)in the system. MnC2O4 + C2O42- K2 = 1.26 ×\times 10-2 -Find the equilibrium concentration of Mn(C2O4)in the system.

(Multiple Choice)
4.7/5
(41)

The following questions refer to the following system: 500.0 mL of 0.020 M Mn(NO3)2 are mixed with 1.0 L of 1.0 M Na2C2O4.The oxalate ion,C2O4,acts as a ligand to form a complex ion with the Mn2+ ion with a coordination number of two. Mn2+ + C2O42-  The following questions refer to the following system: 500.0 mL of 0.020 M Mn(NO<sub>3</sub>)<sub>2</sub> are mixed with 1.0 L of 1.0 M Na<sub>2</sub>C<sub>2</sub>O<sub>4</sub>.The oxalate ion,C<sub>2</sub>O<sub>4</sub>,acts as a ligand to form a complex ion with the Mn<sup>2+</sup> ion with a coordination number of two. Mn<sup>2+</sup> + C<sub>2</sub>O<sub>4</sub><sup>2</sup><sup>-</sup> <sup> </sup>   MnC<sub>2</sub>O<sub>4</sub> K<sub>1</sub> = 7.9  \times  10<sup>3</sup> [Mn(C<sub>2</sub>O<sub>4</sub>)<sub>2</sub>]<sup>2</sup><sup>-</sup> <sup> </sup>   MnC<sub>2</sub>O<sub>4 </sub>+ C<sub>2</sub>O<sub>4</sub><sup>2</sup><sup>-</sup> K<sub>2</sub> = 1.26  \times  10<sup>-</sup><sup>2</sup> -Find the equilibrium concentration of the [Mn(C<sub>2</sub>O<sub>4</sub>)<sub>2</sub>]<sup>2</sup><sup>-</sup> ion. MnC2O4 K1 = 7.9 ×\times 103 [Mn(C2O4)2]2-  The following questions refer to the following system: 500.0 mL of 0.020 M Mn(NO<sub>3</sub>)<sub>2</sub> are mixed with 1.0 L of 1.0 M Na<sub>2</sub>C<sub>2</sub>O<sub>4</sub>.The oxalate ion,C<sub>2</sub>O<sub>4</sub>,acts as a ligand to form a complex ion with the Mn<sup>2+</sup> ion with a coordination number of two. Mn<sup>2+</sup> + C<sub>2</sub>O<sub>4</sub><sup>2</sup><sup>-</sup> <sup> </sup>   MnC<sub>2</sub>O<sub>4</sub> K<sub>1</sub> = 7.9  \times  10<sup>3</sup> [Mn(C<sub>2</sub>O<sub>4</sub>)<sub>2</sub>]<sup>2</sup><sup>-</sup> <sup> </sup>   MnC<sub>2</sub>O<sub>4 </sub>+ C<sub>2</sub>O<sub>4</sub><sup>2</sup><sup>-</sup> K<sub>2</sub> = 1.26  \times  10<sup>-</sup><sup>2</sup> -Find the equilibrium concentration of the [Mn(C<sub>2</sub>O<sub>4</sub>)<sub>2</sub>]<sup>2</sup><sup>-</sup> ion. MnC2O4 + C2O42- K2 = 1.26 ×\times 10-2 -Find the equilibrium concentration of the [Mn(C2O4)2]2- ion.

(Multiple Choice)
4.8/5
(36)

The Ksp for PbF2 is 4.0 ×\times 10-8.If a 0.040 M NaF solution is saturated with PbF2,what is the [Pb2+] in the solution?

(Multiple Choice)
4.9/5
(37)

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

(Multiple Choice)
4.9/5
(42)

How many moles of Fe(OH)2 [Ksp = 1.8 ×\times 10-15] will dissolve in 1.0 liter of water buffered at pH = 10.37?

(Multiple Choice)
4.8/5
(31)

If 30 mL of 5.0 ×\times 10-4 M Ca(NO3)2 are added to 70 mL of 2.0 ×\times 10-4 M NaF,will a precipitate occur? (Ksp of CaF2 = 4.0 ×\times 10-11)

(Multiple Choice)
4.7/5
(36)

The following questions refer to the following system: 500.0 mL of 0.020 M Mn(NO3)2 are mixed with 1.0 L of 1.0 M Na2C2O4.The oxalate ion,C2O4,acts as a ligand to form a complex ion with the Mn2+ ion with a coordination number of two. Mn2+ + C2O42-  The following questions refer to the following system: 500.0 mL of 0.020 M Mn(NO<sub>3</sub>)<sub>2</sub> are mixed with 1.0 L of 1.0 M Na<sub>2</sub>C<sub>2</sub>O<sub>4</sub>.The oxalate ion,C<sub>2</sub>O<sub>4</sub>,acts as a ligand to form a complex ion with the Mn<sup>2+</sup> ion with a coordination number of two. Mn<sup>2+</sup> + C<sub>2</sub>O<sub>4</sub><sup>2</sup><sup>-</sup> <sup> </sup>   MnC<sub>2</sub>O<sub>4</sub> K<sub>1</sub> = 7.9  \times  10<sup>3</sup> [Mn(C<sub>2</sub>O<sub>4</sub>)<sub>2</sub>]<sup>2</sup><sup>-</sup> <sup> </sup>   MnC<sub>2</sub>O<sub>4 </sub>+ C<sub>2</sub>O<sub>4</sub><sup>2</sup><sup>-</sup> K<sub>2</sub> = 1.26  \times  10<sup>-</sup><sup>2</sup> -Find the equilibrium concentration of the Mn<sup>2+</sup> ion. MnC2O4 K1 = 7.9 ×\times 103 [Mn(C2O4)2]2-  The following questions refer to the following system: 500.0 mL of 0.020 M Mn(NO<sub>3</sub>)<sub>2</sub> are mixed with 1.0 L of 1.0 M Na<sub>2</sub>C<sub>2</sub>O<sub>4</sub>.The oxalate ion,C<sub>2</sub>O<sub>4</sub>,acts as a ligand to form a complex ion with the Mn<sup>2+</sup> ion with a coordination number of two. Mn<sup>2+</sup> + C<sub>2</sub>O<sub>4</sub><sup>2</sup><sup>-</sup> <sup> </sup>   MnC<sub>2</sub>O<sub>4</sub> K<sub>1</sub> = 7.9  \times  10<sup>3</sup> [Mn(C<sub>2</sub>O<sub>4</sub>)<sub>2</sub>]<sup>2</sup><sup>-</sup> <sup> </sup>   MnC<sub>2</sub>O<sub>4 </sub>+ C<sub>2</sub>O<sub>4</sub><sup>2</sup><sup>-</sup> K<sub>2</sub> = 1.26  \times  10<sup>-</sup><sup>2</sup> -Find the equilibrium concentration of the Mn<sup>2+</sup> ion. MnC2O4 + C2O42- K2 = 1.26 ×\times 10-2 -Find the equilibrium concentration of the Mn2+ ion.

(Multiple Choice)
4.8/5
(44)

Calculate the solubility of Cu(OH)2 in a solution buffered at pH = 7.59.(Ksp = 1.6 ×\times 10-19)

(Multiple Choice)
4.9/5
(39)

The  The   in a saturated solution of   is 5.93  \times  10<sup>-</sup><sup>3</sup> M.Calculate the K<sub>sp</sub> for   . in a saturated solution of  The   in a saturated solution of   is 5.93  \times  10<sup>-</sup><sup>3</sup> M.Calculate the K<sub>sp</sub> for   . is 5.93 ×\times 10-3 M.Calculate the Ksp for  The   in a saturated solution of   is 5.93  \times  10<sup>-</sup><sup>3</sup> M.Calculate the K<sub>sp</sub> for   . .

(Multiple Choice)
4.9/5
(32)

A 0.012-mol sample of Na2SO4 is added to 400 mL of each of two solutions.One solution contains 1.5 ×\times 10-3 M BaCl2;the other contains 1.5 ×\times 10-3 M CaCl2.Given that Ksp for BaSO4 = 1.5 ×\times 10-9 and Ksp for CaSO4 = 6.1 ×\times 10-5:

(Multiple Choice)
4.8/5
(34)

It is observed that 7.50 mmol of BaF2 will dissolve in 1.0 L of water.Use these data to calculate the value of Ksp for barium fluoride.

(Multiple Choice)
4.7/5
(32)

Will precipitation occur?

(Multiple Choice)
4.9/5
(42)

In the qualitative analysis scheme for metal ions,how are the Analytical Group III cations separated from the cations of Analytical Groups IV and V?

(Multiple Choice)
4.8/5
(39)

What is the maximum concentration of carbonate ions that will precipitate BaCO3 but not MgCO3 from a solution that is  What is the maximum concentration of carbonate ions that will precipitate BaCO<sub>3</sub> but not MgCO<sub>3</sub> from a solution that is   M each in Mg<sup>2+</sup> and Ba<sup>2+</sup>? For MgCO<sub>3</sub>,K<sub>sp</sub> = 1.0  \times 10<sup>-</sup><sup>15</sup> and for BaCO<sub>3</sub>,K<sub>sp</sub> = 2.6  \times 10<sup>-</sup><sup>9</sup>. M each in Mg2+ and Ba2+? For MgCO3,Ksp = 1.0 ×\times 10-15 and for BaCO3,Ksp = 2.6 ×\times 10-9.

(Multiple Choice)
4.8/5
(33)

The concentration of OH- in a saturated solution of Mg(OH)2 is 3.63 ×\times 10-4 M.The Ksp of Mg(OH)2 is

(Multiple Choice)
4.9/5
(35)

A solution is 0.010 M in each of Pb(NO3)2,Mn(NO3)2,and Zn(NO3)2.Solid NaOH is added until the pH of the solution is 8.50.Which of the following statements is true? A solution is 0.010 M in each of Pb(NO<sub>3</sub>)<sub>2</sub>,Mn(NO<sub>3</sub>)<sub>2</sub>,and Zn(NO<sub>3</sub>)<sub>2</sub>.Solid NaOH is added until the pH of the solution is 8.50.Which of the following statements is true?

(Multiple Choice)
4.9/5
(32)

Consider a solution made by mixing 500.0 mL of 4.0 M NH3 and 500.0 mL of 0.40 M AgNO3.Ag+ reacts with NH3 to form AgNH3+ and Ag(NH3)2+: Ag+ + NH3  Consider a solution made by mixing 500.0 mL of 4.0 M NH<sub>3</sub> and 500.0 mL of 0.40 M AgNO<sub>3</sub>.Ag<sup>+</sup> reacts with NH<sub>3</sub> to form AgNH<sub>3</sub><sup>+</sup> and Ag(NH<sub>3</sub>)<sub>2</sub><sup>+</sup>: Ag<sup>+</sup> + NH<sub>3</sub> <sub> </sub>   AgNH<sub>3</sub><sup>+</sup> K<sub>1</sub> = 2.1  \times  10<sup>3</sup> AgNH<sub>3</sub><sup>+</sup> + NH<sub>3</sub> <sub> </sub>   Ag(NH<sub>3</sub>)<sub>2</sub><sup>+</sup> K<sub>2</sub> = 8.2  \times 10<sup>3</sup> -The concentration of Ag(NH<sub>3</sub>)<sub>2</sub><sup>+</sup> at equilibrium is: AgNH3+ K1 = 2.1 ×\times 103 AgNH3+ + NH3  Consider a solution made by mixing 500.0 mL of 4.0 M NH<sub>3</sub> and 500.0 mL of 0.40 M AgNO<sub>3</sub>.Ag<sup>+</sup> reacts with NH<sub>3</sub> to form AgNH<sub>3</sub><sup>+</sup> and Ag(NH<sub>3</sub>)<sub>2</sub><sup>+</sup>: Ag<sup>+</sup> + NH<sub>3</sub> <sub> </sub>   AgNH<sub>3</sub><sup>+</sup> K<sub>1</sub> = 2.1  \times  10<sup>3</sup> AgNH<sub>3</sub><sup>+</sup> + NH<sub>3</sub> <sub> </sub>   Ag(NH<sub>3</sub>)<sub>2</sub><sup>+</sup> K<sub>2</sub> = 8.2  \times 10<sup>3</sup> -The concentration of Ag(NH<sub>3</sub>)<sub>2</sub><sup>+</sup> at equilibrium is: Ag(NH3)2+ K2 = 8.2 ×\times 103 -The concentration of Ag(NH3)2+ at equilibrium is:

(Multiple Choice)
4.8/5
(33)
Showing 61 - 80 of 93
close modal

Filters

  • Essay(0)
  • Multiple Choice(0)
  • Short Answer(0)
  • True False(0)
  • Matching(0)