Solid KSCN was added to a 2.26 M Co²+ solution so that it was also initially 2.26 M SCN.These ions then reacted to give the complex ion Co(SCN)+, whose formation constant was 1.0 x 10². What is the concentration of Co2+ (ag) at equilibrium?

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: To form the complex ion [Cu(NH3)4]²+, you add CuCl to 1 M NH3 (Ksp of CuCl is 1.9 x 10-7). Calculate…

A: In such type of questions first write down solubility equilibrium of CuCl and formation equilibrium…

Q: The amount of chloride in a brine solution is determined by the Volhard method. 15 mL 0.1182 M…

A: Given data,Molarity of AgNO3=0.1182MVolume of AgNO3=15mL=0.015LMolarity of KSCN=0.101MVolume of…

Q: What is the solubility of Mg(OH)2 in pure water? What is the solubility of Mg(OH)2 in a solution of…

A: Solubility is the ability of a substance to dissolve in a solvent. On the basis of amount of solute…

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

A:

Q: 8. Suppose sufficient ammonia (NH3) was added to a solution containing 0.010 M nickel nitrate…

A: We have the value for formation constant, Kf in the question. So we can use the equation for Kf to…

Q: 9. If 6.2 mL of 0.0160 M KOH solution must be added to 5.0 mL of 0.240 M CaCl₂ solution to just form…

A: Solubility product is the multiplication of molar solubility of the constituent ions of the…

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: What is the solubility of Cr(OH)₃ at a pH of 10.60? (Ksp Cr(OH)₃ is 6.70 × 10⁻³¹)

A: First by using the value of pH , we can calculate the [OH-] Concentration .

Q: The formation constant* of [M(CN)2]¯ is 5.30 × 10'8, where M is a generic metal. A 0.150 mole…

A: Given, [M(CN)2]- M+ + 2CN- ---> [M(CN)2]- Formation constant, Kf = 5.30 x 1018 Kf = [M(CN)2]- /…

Q: In the presence of aqueous ammonia, cobalt(III) forms the complex ion Co(NH3)6*. Determine the molar…

A: The ratio of moles of solute to the volume of solution in liters is known as concentration.

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: Formation of soluble silver-ammonium complex, in an AgCl solution, occurs in a 3-step process:…

A:

Q: gravimetric analysis

A: In gravimetric analysis we add a Precipitating reagent into the analyte to make ppt then filter dry…

Q: A solution is formed by mixing 50.0 mL of 9.8 M NaX with 50.0 ml of 3.8 x 103 M CUNO,. Assume that…

A:

Q: 11. Silver and ammonia may react to form Ag(NH;)2* complex (Ki = 1.66 x 107). A 500 mL of 0.30 mol…

A: Given: Kf=1.66×107 Number of moles of Ag+=0.30mol Number of moles of NH3=0.70mol Volume of Ag+=500ml…

Q: What is the solubility of Cr(OH)₃ at a pH of 9.60? (Ksp Cr(OH)₃ is 6.70 × 10⁻³¹)

A:

Q: What is the solubility of Cr(OH)₃ at a pH of 10.20? (Ksp Cr(OH)₃ is 6.70 × 10⁻³¹)

A:

Q: Calculate the molar solubility of cobalt (III) hydroxide in a solution buffered at pH = 3.00…

A: Given, pH = 3.00         and , Ksp = 1.6×10–44 We know that, for a buffered solution , it resist any…

Q: Sufficient sodium cyanide, NaCN, was added to 2.5x10^-2 M silver nitrate, AgNO3, to give a solution…

A: Given: Molarity of AgNO3 = 2.5×10-2 MMolarity of CN- ion = 0.193 MKf for Ag(CN)2- = 5.6×1018

Q: Sufficient sodium cyanide, NaCN, was added to 1.5 x 10-2 M silver nitrate, AgNO3, to give a solution…

A:

Q: Consider a solution containing 0.1 M Ag+ and 0.1 M Cu+. You’re asked to separate the two metals by…

A: The question is based on the concept of equilibrium.   We have to choose which of the given salt can…

Q: 50.0 ML of 0.10m silver nitrate is added to 50.0mL of 0.20m calcium chloride. A white precipitate…

A: Given molarity of AgNO3 = 0.10 M molarity of CaCl2 = 0.20 M volume of AgNO3 = 50 ml volume of CaCl2…

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

A:

Q: An aqueous solution contains 0.10 M Ag", 0.10 M Cd2* and 0.10 M Mn2*. If sulfide ion, S2, is slowly…

A:

Q: Fe(NO3)3 (0.00100 mol) and KSCN (0.200 mol) are added to water to make exactly 1 liter of solution.…

A: The ICE table can be drawn as follows-

Q: Chromium (III) iodate, Cr(IO3);, has a solubility product of 5.0 x 10. a. Calculate the solubility…

A: The question is based on the concept of solubility product principle. we have to determine whether…

Q: When K2(S) is added to a saturated solution of FeS , what happens to the solubility of FeS

A: We have to predict about solubility of potassium sulfide.

Q: The amount of chloride in a brine solution is determined by the Volhard method. 15 mL 0.1182 M…

A: Calculate the number of moles of KSCN required to titrate the excess silver ions present in the…

Q: What is the solubility of Cr(OH)3 at a pH of 9.80? (Ksp Cr(OH); is 6.70 x 10-31)

A: We know that, pH + pOH = 14 Given, pH = 9.80 Thus, pOH = 14-9.80                    = 4.20 Also, pH…

Q: In your testing, several precipitates are formed and then dissolved as complexes. These are the…

A: The answer is given below

Q: What is the solubility of Cr(OH), at a pH of 11.40? (Ksp Cr(OH), is 6.70 x 1031)

A:

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

A:

Q: In the presence of CN–, Fe3+ forms the complex ion Fe(CN)63–. The equilibrium concentrations of…

A:

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: 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:

Q: Given that the average concentration of calcium ion in natural waters is 3.8x10⁻⁴ M, and that the…

A:

Q: Calculate the molar solubility of Fe(OH); (K-p = 2.79 x 10 3) in a %3D solution that is buffered at…

A: The molar solubility of a compound is defined as the number of moles of solute dissolved in per…

Q: Silver ions reacts with excess CN- to form a colorless complex ion, [Ag(CN)2)-, which has a…

A: Each AgNO3 has 1 Ag+(aq) and each NaCN has 1 CN-(aq). Since we have added an equal volume of 0.0020M…

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

A:

Q: |The solubility of cadmium oxalate, CdC2 04, in 0.150 M ammonia is 6.1 × 10-8 mol/L. What is the…

A:

Q: 1. What is the solubility of TIBRS) ? Ksp = 3.4 x 106 %3D

A: Using the ICE method we get the answer

Q: Write the balanced chemical equation associated with the formation constant, Kf , for each complex…

A: Formation of Ag(CN)2− is given by,

Q: Calculate the solubility of AgBr in a 1.00 M aqueous solution of ammonia.

A: Slightly soluble substances such as AgBr can be dissolved through the formation of complex ions. The…

Q: 1. The Kp of gold (1) chloride is 2.0 x 1013, The Kr of the gold (I)-cyanide complex ion is 2.0 x…

A: From the given data we haveKsp of gold chloride=2.0×10-13Kf of the gold cyanide complex ion=2.0×1038

Q: Unexposed silver halides are removed from photographic film when they react with sodium thiosulfate…

A: Next step is

Q: A solution is prepared by adding 0.090 mole of K3[Fe(CN)6] to 0.60 L of 2.0 M NaCN. Assuming no…

A: The equilibrium constant can be written as the ratio of concentration of products to the…

Q: Calculate the molar solubility of yttrium iodate in a 0.0500M solution of magnesium iodate,…

A:

Q: What is the solubility of TIBr(s) ? Ksp = 3.4 x 106 %3D

A:

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.