A 0.1700.170 mole quantity of NiCl2NiCl2 is added to a liter of 1.20 M NH31.20 M NH3 solution. What is the concentration of Ni2+Ni2+ ions at equilibrium? Assume the formation constant of Ni(NH3)2+6Ni(NH3)62+ is 5.5×1085.5×108.

Q: (a) In early studies it was observed that when the complex [Co(NH3)4Br2]Br was placed in water, the…

A: Isomerism in coordination complexes in which one of ligand molecule is replaced by a solvent…

Q: A 0.7352g sample of ore containing Fe3+, Al3+ and Sr2+ was dissolved and made up to 500.00 mL. The…

A: Given: mass of ore = 0.7352 g Concentration of EDTA = 0.02145 mol/L At pH = 1.0, the volume of EDTA…

Q: Explain why addition of NH3 or HNO3 to a saturated solution of Cu(OH)2 in contact with solid Cu(OH)2…

A:

Q: Which indicator is used in the complexometric titrations of zinc with EDTA? Define Hardness of…

A:

Q: Determine the molar solubility of phosphate in Zn(OH)2 (Ksp = 1.8 x 10-14) in a solution of 0.025 M…

A:

Q: A 2.02.0 mL aliquot of 0.001 M NaSCNNaSCN is diluted to 30.030.0 mL with 0.2 M Fe(NO3)3Fe(NO3)3 and…

A: Initial moles of SCN- before dilution of the solution can be calculated using the molarity of NaSCN…

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: (Q61) Platinum cations in solution readily form complexes with free chloride anions in solution…

A: Given :  Kf = 1.0 x 1016  Initial [Pt+2] = 0.0127 M  [NaCl] = [Cl-] = 0.419 M

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: Given, A 500 mL of 0.10 mol Ag⁺ and 500 mL of 0.70 mol NH₃ are mixed together, The concentration of…

Q: 0.281 mol AgNO3 and 3.17 mol NH3 were added to enough water to give 1.00 L of solution at 25 °C.…

A:

Q: Will zinc carbonate (ZNCO3) precipitate from an aqueous solution containing 0.0081 M Zn(NO3)2,…

A:

Q: The precipitation of Al1OH23 1Ksp = 1.3 * 10-332 is sometimes used to purify water. (a) Estimate the…

A: Given: Ksp of Al(OH)3           = 1.3 x 10-33 Volume of water       = 2000 gal Volume of Al2(SO4)3…

Q: If 21.70 mL  of 0.0500 M  KMnO4 is required to titrate a 0.450 g  sample of K3[Fe(C2O4)3]⋅3H2O,…

A: In balanced chemical reaction, stoichiometry defines the ratio at which reactants are reacting with…

Q: DG° = -53.6 kJ/molxn for the following reaction at 25°C. Zn2"(aq) + 4 NH3(aq) ==> Zn(NH3)42 (aq)…

A: The relation between ΔG° and complex formation equilibrium constant is ΔG° = − RT ln Keq where, ΔG°…

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

A: Volume of Cl- solution = 10.00mL Volume of AgNO3 solution = 15.00mL Molarity of AgNO3 solution =…

Q: Buffer preparation: A 6.90 g sample of sodium nitrite (NaNO2, 68.995) was dissolved in about 100. mL…

A: Given,  When 6.90g of NaNO3 was dissolved in 100.0 mL of water then added to 500mL of 0.200 M HNO2…

Q: 0.28g Of MBr is dissolved in distilled water and made up to 250mL mark in a volumetric flask. 25 mL…

A: The equation to calculate the unknown values from known values is given as, M1V1=M2V2 where M is the…

Q: Calculate the solubility of Mg(OH)2 in a solution buffered to a pH of 12.0. Ksp= 1.8 x 10-11

A:

Q: Calculate the molar solubility of Ca(OH)2 (Ksp = 5.02 x 10) in %3D solution that is buffered at pH=…

A:

Q: Suggest a precipitation method for separation of K+ from Na+ and Li+. a. Chloroplatinic acid will…

A: Here we have determine the best method for test of K+ ion in presence of Li+ and Na+ ion  . The…

Q: calculate the ph and poh of a solution that is 0.18 M in HC2H3O2 and .43 M in Mg(C2A3O2)2 where the…

A: pH of a solution is defined as the negative logarithm of concentration of H3O+ ion. Again pH + pOH =…

Q: 5.31e-08 mol/L, what is the Ksp at this temperature? Ksp =  (b) It is found that 9.14e-08 g of…

A:

Q: An antacid tablet, weighing 1.25 g, was dissolved in a 1.0 L volumetric flask to allow for…

A: Given: Mass of tablet=1.25g Volume of solution=1.0L Volume of aliquot 10.0mL Molarity of…

Q: 6. A mixture contains at least one of the ions in the silver group (Ag*, Hg²*, Pb²*). Read the…

A: The qualitative analysis of the metal ions involves the identification of metal ions that are…

Q: Solve this question

A: The elements present in between s and p-block elements in the periodic table are termed as…

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: 2) Using the stepwise formation constants given, calculate the net formation constant for the…

A: The stepwise complexation of Cu2+ and en (H2NCH2CH2NH2) are -                                 Cu2+ +…

Q: explain why the formation constant of [Fe(bpy)3]^2+ from [Fe(H2O)6]^2+ might be expected to be…

A: bpy is bipyridine is a bidentate ligand, whereas NH3 and H2O are mono dentate. Formation constant…

Q: Write the balanced equation for each reaction calculate the equilibrium constant for each reaction.…

A: Balanced Chemical equations of solubility of Silver sulphate salt in ammonia

Q: The equivalence point is reached when 25.00 mL of 0.100 M EDTA is titrated with 25.00 mL of 0.100 M…

A:

Q: The reaction 2A(g) ⇌ B(g) is found to have Kp = 24.5. What would the equilibrium constant be for…

A:

Q: 0.683 grams of iron mineral dissolves with acid. Fe2+ is titrated with Ce(SO4)2 solution. Calculate…

A:

Q: A pink solid has the formula CoCl3·5NH3·H2O. A solution of this solid is also pink in color and when…

A: given  pink solid CoCl3·5NH3·H2O titration with 3 mol of AgCl. purple solid is formed

Q: (a) In early studies it was observed that when the complex [Co(NH3)4Br2]Br was placed in water, the…

A: The increase in conductivity is due to presence of more free ions as the complex gets dissolved. H2O…

Q: The formation constant for [Cu(CN)2]` is 1.0 × 1016, what is the value of the dissociation constant…

A:

Q: To determine the amount of magnetite. Fe3O4, in an impure ore, a 1.5419 g sample is dissolved in…

A: The Fe2O3 formed is pure. Hence, we can use it to determine the mass of iron taken initially in the…

Q: Write two half-equations for each reaction involved in the preparation of the complex (synthesize…

A: Solution-

Q: What will be the solubility of Fe(OH)3 (Ksp = 1.6 × 10–39) in: a. 0.0250 M FeCl3 solution? b. a…

A: a) Given: Ksp = 1.6 × 10-39  And concentration of FeCl3 = 0.0250 M Since FeCl3 is a completely…

Q: The formation constant (Kf) for calcium reacting with EDTA is 6.2 x108. A calcium-EDTA titration was…

A:

Q: 6.) Which of the elements in the table would you expect to form "a substitutional solid solution…

A: In the given data, the difference in atomic radii in percentage (∆R%) is given, the crystal…

Q: If 21.70 mL of 0.0500 M  KMnO4 is required to titrate a 0.450 g  sample of K3[Fe(C2O4)3]⋅3H2O ⋅what…

A:

Q: What mass of solid Lanthanum (III) oxalate nonahydrate { La2 ( C2O4 )3 ∙ 9 H2O } can be obtained…

A:

Q: A solution of sodium thiosulfate was standardized by dissolving 0.1310 g KIO3 in water, adding a…

A: A solution of sodium thiosulfate was standardized by dissolving 0.1310 g KIO3 in water, adding a…

Q: Calculate the formation constant of the 2+ Ni(CN)4* complex at 25°C.

A: A stability constant (formation constant, binding constant) is an equilibrium constant for the…

Q: Ammonia and potassium iodide solutions are added to an aqueous solution of chromium(III) nitrate. A…

A: Given , CrO3 formed = 0.0203 g sample of compound = 0.105 g

Q: Solution of salt (X) gives with caustic soda a white gelatinous ppt. and can remove the brown color…

A: Caustic soda is general name of Sodium hydroxide.

Q: 7.00 grams of Cobalt (II) nitrate are dissolved in 1.00 liter of water. What is the initial…

A:

Q: 2. Zn is less active than Mg. Write the equations describing what occurs when you mix: (a) Zn with…

A: Hello. Since your question has multiple parts, we will solve the first question for you. If you want…

Q: The formation constant for Ni(en)32+ is 4.0 x 1017, what is the value of the dissociation constant…

A: Any reaction which is spontaneous in nature forms stable product and due to which the value of their…