Solid KSCN was added to a 2.93 M Co²+ solution so that it was also initially 2.93 M SCN¯. These ions then reacted to give the complex ion Co(SCN)*, whose formation constant was 1.0 x 10°. What is the concentration of Co²* (aq) at equilibrium?

Solid KSCN was added to a 2.93 M Co²+ solution so that it was also initially 2.93 M SCN¯. These ions then reacted to give the complex ion Co(SCN), whose formation constant was 1.0 x 10°. What is the concentration of Co² (aq) at equilibrium?

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter16: Solubility And Complex Ion Equilibria

Section: Chapter Questions

Problem 8RQ: What is a complex ion? The stepwise formation constants for the complex ion Cu(NH3)42+ are K1 1 ...

See similar textbooks

Related questions

Q: Calculate the solubility of copper(I) sulfide (Cu2S, Ksp = 2.26 × 10−48) in pure water.

A: The equation of dissociation of Cu2S is given below. Cu2S (s) ⇌ 2 Cu+ (aq) + S2- (aq)

Q: Silver and ammonia may react to form Ag(NH₃)₂⁺ complex (Kf = 1.66 x 107). A 500 mL of 0.20mol Ag⁺…

A: “Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: Consider the insoluble compound iron(II) hydroxide , Fe(0H)2 · The iron(II) ion also forms a complex…

A: Fe(OH)2 is an insoluble compound. Iron (II) forms complex with CN- ions. In the presence of CN-…

Q: Hydroxyapatite, Ca1,(PO4),(OH)2 , has a solubility constant of Kp = 2.34 x 10-5», and dissociates…

Q: Consider the insoluble compound copper(II) carbonate , CuCO3 . The copper(II) ion also forms a…

A: When NH3 is added to the above solution then Co+2 forms a complex with NH3.…

Q: What is the balanced equation and solubility product equation for the dissolution of potassium…

A: Given : formula of compound

Q: Calculate the activity of La+3 and IO3-,in a saturated solution of La(IO3)3 of 0.15 M…

Q: The generic metal A forms an insoluble salt AB(s) and a complex AC5(aq). The equilibrium…

A: Given [A] = 0.100 M[C] = 0.0220 M[AC5] = 0.100 M Kf for AC5 = To be determined

Q: Calculate the solubility of silver chloride (in g/L) in a 4.8 x 10-3 M silver nitrate solution.

Q: 4. Which cation or cations may be present in a pale blue solution that turns deep blue and forms a…

A: Cu2+ ions solution has pale blue color solution. The reaction between Cu2+ ions and Ammonia forms a…

Q: n aqueous solution, the solubility of the alkali metal ions is given as follows: Li ˂ Na ˂ Rb˂Cs.…

A: For the solubility of alkali metals depends on two parameters 1. Hydration energy 2. Lattice…

Q: When you perform the Beer’s Law analysis of Fe (SCN)2+, it is assumed that the complex concentration…

A: BEER'S LAW: The concentration of a substance present in a solution is equivalent and directly…

Q: Silver and ammonia may react to form Ag(NH3)2+ complex (Kf = 1.66 x 107). A 500 mL of 0.20mol Ag+…

A: (a) A complexation reaction can be defined as a reaction which forms a "complex". The…

Q: Chemistry Consider the following example: In a solution containing [Cu(NH3)4]2+, the pH of the…

A: The ph of the solution affects the extent of formation of the complex this is related to the concept…

Q: 1. Calculate the molar solubility of silver phosphate, Ag:PO. (Kp = 1.8 x 10): a. (13) In pure…

A: (a) Silver phosphate ionizes in pure water to form silver and phosphate ions. Write the equation of…

Q: Ferric ion reacts with potassium thiocyanate to form the complex ion FeSCN^2+. Calculate the…

A: Answer: Reaction between Ferric ion and thiocynate ion is shown below:…

Q: The generic metal A forms an insoluble salt AB(s) and a complex AC5(aq). The equilibrium…

A: Fh

Q: In photography, unexposed silver bromide was removed from film by soaking the film in a solution of…

A: Kf = 2.0×1013Ksp = 5.0×10-13Volume of Na2S2O3 solution = 125 mLMolarity of Na2S2O3 solution = 1.20 M

Q: (a) Write down the overall reaction for the formation of the complex ion [Zn(NH:)-]²*(aq) from its…

Q: Consider the insoluble compound silver iodide , AgI . The silver ion also forms a complex with…

A: The answer of the following question is given below

Q: [Review Topics] [References] Use the References to access important values if needed for this…

A: Zinc carbonate and Nickel hydroxide both are sparingly soluble salt. We know solubility of sparingly…

Q: Calculate the solubility, in mol/L, when lead (1) bromide (Ksp = 4.0 x 105) dissolves in an aqueous…

A: Solubility: It is the ability of a substance to get dissolve in the solvent. Solubility product…

Q: Solid KSCN was added to a(2.20x10^0) M Co2+ solution so that it was also initially (2.20x10^0) M…

Q: The Ksp of AgCl(s) at a specific temperature is 1.8 × 10^-10 M. The concentration of Cl-(aq) in…

Q: The formation constant of a complex ion [M(NH3)4]2+(aq) is 1.8E8. If a solution is prepared by…

Q: Consider the insoluble compound nickel(II) hydroxide , Ni(OH)2 . The nickel ion also forms a complex…

Q: Calculate the solubility of AGCN(s) ( Kp = 2.2 x 10-12) in a solution containing 0.90 M H.( Ka for…

A: Given that, We have AgCN (s) in a solution containing 0.90 (M) H+ (HCN) The solubility product of…

Q: A 50.0 mL of 2.00 M Fe3+ (aq) solution are mixed with 50.0 mL of 2.00 M SCN- (aq) solution. What is…

A: Given : volume of Fe3+ solution = volume of SCN- solution = 50 mL = 0.050 L…

Q: Silver and ammonia may react to form Ag(NH₃)₂⁺ complex (K f = 1.66 x 10 7 ). A 500 mL of 0.20 mol…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: Solid KSCN was added to a 2.26 M Co²+ solution so that it was also initially 2.26 M SCN.These ions…

A: Stability constant is mainly the equilibrium constant utilized for the generation of any complex-ion…

Q: Consider the reversible formation of the Cu(NH3)4 complex ion. 2+ Cu?+ (aq) + 4NH3 (aq) – Cu(NH3)4**…

Q: 4. An experiment similar to the one described in this module was performed to determine the…

Q: Write a balanced net ionic equation to show why the solubility of Fe(OH)3(s) increases in the…

A: The dissociation reaction for Fe(OH)3 is shown below, Fe(OH)3(s) →Fe3+(aq) + 3OH−(aq)

Q: Calculate the solubility in grams per liter of Pb(103)2 (s) in 0.10 M KIO3 (aq) at 25 °C. The Ksp…

A: The ratio of the concentration products to the concentration of reactants at equilibrium is called…

Q: A: Calculate the solubility product constant for PbCl2, if 80.0 mL of a saturated solution of PbCl…

A: Volume of Solution = 80.0 mL mass of PbCl2 dissolved = 0.3408 g Molar mass of PbCl2 = 278.1 g/mole…

Q: The generic metal A forms an insoluble salt AB(s) and a complex ACs(aq). The equilibrium…

Q: Calculate the molar solubility of silver sulfide when dissolved in water. Ag2S (s) → Ag* (aq) (aq)…

Q: Copper(II) arsenate has a Ksp of 7.6×103º. The dissolution of solid copper(II) arsenate in aqueous…

A: Solubility product is defined as the product of the concentrations or solubilities of the ions each…

Q: 12. If 50.0 g of silver phosphate (Kp = 1.8 x 1018) are placed in enough water to generate 500.0 ml…

A: When sparingly soluble salts are placed in water, they exist in equilibrium with its ions. The…

Q: Solid KSCN was added to a 2.25 M Co²* solution so that it was also initially 2.25 M SCN¯. These ions…

A: Co2+ + SCN- ⇔ Co(SCN)+ initially : 2.25 M 2.25 M 0…

Q: Silver and ammonia may react to form Ag(NH₃)₂⁺ complex (Kf = 1.66 x 107). A 500 mL of 0.10 mol Ag⁺…

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…

Q: Explain why addition of NH3 or HNO, to a saturated solution of Cu(OH)2 in contact with solid Cu(OH)2…

A: This is a question from co-ordination chemistry. Coordination chemistry deals with the complex…

Q: Assuming that no equilibria other than dissolution are involved, calculate the concentrations of…

A: Since you have posted multiple sub-parts questions, as per our company guidelines we are supposed to…

Q: Ql: A: Calculate the solubility product constant for PbCl2, if 80.0 mL of a saturated solution of…

Q: The solubility of silver chloride increases in the presence of aqueous ammonia, NH3(aq), due to the…

A: Given: Concentration of NH3 = 6.0 M Kf of Ag(NH3)2+ = 1.7 X 107 And Ksp of AgCl = 1.8 X 10-10

Q: Silver and ammonia may react to form Ag(NH₃)₂⁺ complex (Kf = 1.66 x 107 ). A 500 mL of 0.20 mol Ag⁺…

A: (a) Silver (Ag) and ammonia (NH3) react with each other and form Ag(NH3)2+ complex. The complexation…

Q: Consider the equilibrium reaction: YZ2(s) ⇌ Y2+(aq) + 2Z-(aq). What is the molar solubility of YZ₂…

A: The molar solubility, which is directly related to the solubility product, is the amount of moles…

Q: Silver and ammonia may react to form Ag(NH₃)₂⁺ complex (Kf = 1.66 x 107). A 500 mL of 10 mol Ag⁺ and…

Q: Write a balanced net ionic equation to show why the solubility of Cu(OH)2(s) increases in the…

A: Cu(OH)2 is a sparingly soluble salt, i.e- it has lower solubility in water.When it is dissolved in…

Concept explainers

Coordination Chemistry

It is a part of chemistry, in which the study of compounds that have central atoms surrounded by molecules or ions, known as ligand, is known as coordination chemistry.

Question

Solid KSCN was added to a 2.93 M Co²+ solution so that it
was also initially 2.93 M SCN. These ions then reacted to give
the complex ion Co(SCN)*, whose formation constant was
1.0 x 10°. What is the concentration of Co²+ (ag) at
equilibrium?
Be sure to check any simplifying assumption you make.
M

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step 3

VIEW

Step by step

Solved in 3 steps

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.

Similar questions

The solubility of zinc oxalate, ZnC2O4, in 0.0150 M ammonia is 3.6 104 mol/L. What is the oxalate-ion concentration in the saturated solution? If the solubility product constant for zinc oxalate is 1.5 109, what must be the zinc-ion concentration in the solution? Now calculate the formation constant for the complex ion Zn(NH3)42+.
When 5 M ammonia is added to a solution containing Cu(OH)2(s), the precipitate will eventually dissolve in solution. Why? If 5 M HNO3 is then added, the Cu(OH)2 precipitate re-forms. Why? In general, what effect does the ability of a cation to form a complex ion have on the solubility of salts containing that cation?
In the presence of NH3, Cu2+ forms the complex ion Cu(NH3)42+. If the equilibrium concentrations of Cu2+ and Cu(NH3)42+ are 1.8 1017 M and 1.0 103 M, respectively, in a 1.5-M NH3 solution, calculate the value for the overall formation constant of Cu(NH3)42+. Cu2+(aq)+4NH3(aq)Cu(NH3)42+(aq)Koverall=?
Solid Pbl2 (Ksp = 9.8 109) is placed in a beaker of water. After a period of time, the lead(II) concentration is measured and found to be 1.1 103 M. Has the system reached equilibrium? That is, is the solution saturated? If not, will more Pbl2 dissolve?
The solubility of cadmium oxalate. CdC2O4, in 0.150 M ammonia is 6.1 103 mol/L. What is the oxalate-ion concentration in the saturated solution? If the solubility product constant for cadmium oxalate is 1.5 108, what must be the cadmium-ion concentration in the solution? Now calculate the formation constant for the complex ion Cd(NH3)42+.
What is a complex ion? The stepwise formation constants for the complex ion Cu(NH3)42+ are K1 1 103, K2 1 104, K3 = 1 103, and K4 1 103. Write the reactions that refer to each of these formation constants. Given that the values of the formation constants are large, what can you deduce about the equilibrium concentration of Cu(NH3)42+ versus the equilibrium concentration of Cu2+?
In a titration of cyanide ion, 28.72 mL of 0.0100 M AgNO3 is added before precipitation begins. [The reaction of Ag+ with CN- goes to completion, producing the Ag(CN)2- complex. Precipitation of solid AgCN takes place when excess Ag+ is added to the solution, above the amount needed to complete the formation of Ag(CN)2-. How many grams of NaCN were in the original sample?
a. Calculate the molar solubility of AgBr in pure water. Ksp for AgBr is 5.0 1013. b. Calculate the molar solubility of AgBr in 3.0 M NH3. The overall formation constant for Ag(NH3)2+ is 1.7 107, that is, Ag+(aq)+2NH3(aq)Ag(NH3)2+(aq)K=1.7107. c. Compare the calculated solubilities from parts a and b. Explain any differences. d. What mass of AgBr will dissolve in 250.0 mL of 3.0 M NH3? e. What effect does adding HNO3 have on the solubilities calculated in parts a and b?
A volume of 50 mL of 1.8 M NH3 is mixed with an equal volume of a solution containing 0.95 g of MgCl2. What mass of NH4Cl must be added to the resulting solution to prevent the precipitation of Mg(OH)2?