Example To answer the second question, you need to know that the formation of a complex happens step by step, and on each step one of the incoming ligands displaces one of the water molecules coordinated to the metal. РЬСІ In this case, the first step towards the formation of the [PbC14] complex is this: [Pb(H₂O)¸]²* (aq)+Cï(aq) → [PbCl (H₂O)3]* (aq) +H₂O (1) The last step is this: [PbCl (H₂O)] (aq) +Cد (aq) → [PbCl 4 ]²¯ (aq) + H₂O (1) It's the second of these equations that you need to enter in the second line. Note: be careful to keep track of the charge in these equations. Remember the total charge on the complex equals the difference between the charge on the metal cation and the charge on all the ligands. =ANSWER Kf [[PbCl 4 ]] [[Pb(H₂O)₁]² + ][cr¯ ]* 2+ Last Step: [PbCl₂(H₂O)]¯ (aq)+Cï (aq) → [PbC1]²¯ (aq)+H₂O (1) + In aqueous solution the Ag" ion forms a complex with two ammonia molecules. Write the formation constant expression for the equilibrium between the hydrated metal ion and the aqueous complex. Under that, write the balanced chemical equation for the first step in the formation of the complex. Kf K₁ = | Write the First Step: First Step: ☐ ローロ ப 0|0 ك
Example To answer the second question, you need to know that the formation of a complex happens step by step, and on each step one of the incoming ligands displaces one of the water molecules coordinated to the metal. РЬСІ In this case, the first step towards the formation of the [PbC14] complex is this: [Pb(H₂O)¸]²* (aq)+Cï(aq) → [PbCl (H₂O)3]* (aq) +H₂O (1) The last step is this: [PbCl (H₂O)] (aq) +Cد (aq) → [PbCl 4 ]²¯ (aq) + H₂O (1) It's the second of these equations that you need to enter in the second line. Note: be careful to keep track of the charge in these equations. Remember the total charge on the complex equals the difference between the charge on the metal cation and the charge on all the ligands. =ANSWER Kf [[PbCl 4 ]] [[Pb(H₂O)₁]² + ][cr¯ ]* 2+ Last Step: [PbCl₂(H₂O)]¯ (aq)+Cï (aq) → [PbC1]²¯ (aq)+H₂O (1) + In aqueous solution the Ag" ion forms a complex with two ammonia molecules. Write the formation constant expression for the equilibrium between the hydrated metal ion and the aqueous complex. Under that, write the balanced chemical equation for the first step in the formation of the complex. Kf K₁ = | Write the First Step: First Step: ☐ ローロ ப 0|0 ك
General Chemistry - Standalone book (MindTap Course List)
11th Edition
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Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
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Chapter17: Solubility And Complex-ion Equilibria
Section: Chapter Questions
Problem 17.105QP: A 1.0-L solution that is 4.2 M in ammonia is mixed with 26.7 g of ammonium chloride. a What is the...
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22. example also given, thank you!
![Example
To answer the second question, you need to know that the formation of a complex happens step by step, and on each step one of the incoming
ligands displaces one of the water molecules coordinated to the metal.
РЬСІ
In this case, the first step towards the formation of the [PbC14] complex is this:
[Pb(H₂O)¸]²* (aq)+Cï(aq) → [PbCl (H₂O)3]* (aq) +H₂O (1)
The last step is this:
[PbCl (H₂O)] (aq) +Cد (aq) →
[PbCl 4 ]²¯ (aq) + H₂O (1)
It's the second of these equations that you need to enter in the second line.
Note: be careful to keep track of the charge in these equations. Remember the total charge on the complex equals the difference between the
charge on the metal cation and the charge on all the ligands.
=ANSWER
Kf
[[PbCl 4 ]]
[[Pb(H₂O)₁]² + ][cr¯ ]*
2+
Last Step: [PbCl₂(H₂O)]¯ (aq)+Cï (aq) → [PbC1]²¯ (aq)+H₂O (1)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F7bc30bfd-54a4-45be-8be6-a7bac17a47af%2Faf26ba7a-bfe5-4c55-aeb6-583ab6b0b945%2Ffbqjib9_processed.png&w=3840&q=75)
Transcribed Image Text:Example
To answer the second question, you need to know that the formation of a complex happens step by step, and on each step one of the incoming
ligands displaces one of the water molecules coordinated to the metal.
РЬСІ
In this case, the first step towards the formation of the [PbC14] complex is this:
[Pb(H₂O)¸]²* (aq)+Cï(aq) → [PbCl (H₂O)3]* (aq) +H₂O (1)
The last step is this:
[PbCl (H₂O)] (aq) +Cد (aq) →
[PbCl 4 ]²¯ (aq) + H₂O (1)
It's the second of these equations that you need to enter in the second line.
Note: be careful to keep track of the charge in these equations. Remember the total charge on the complex equals the difference between the
charge on the metal cation and the charge on all the ligands.
=ANSWER
Kf
[[PbCl 4 ]]
[[Pb(H₂O)₁]² + ][cr¯ ]*
2+
Last Step: [PbCl₂(H₂O)]¯ (aq)+Cï (aq) → [PbC1]²¯ (aq)+H₂O (1)
Transcribed Image Text:+
In aqueous solution the Ag" ion forms a complex with two ammonia molecules.
Write the formation constant expression for the equilibrium between the hydrated metal ion and the aqueous complex. Under that, write
the balanced chemical equation for the first step in the formation of the complex.
Kf
K₁ = |
Write the First Step:
First Step: ☐
ローロ
ப
0|0
ك
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