Calculate the equilibrium concentration of Zn2+(aq) in a solution that is initially 0.150 M Zn(NO3)2 and 0.800 M NH3.   The formation constant for [Zn(NH3)4]2+(aq) is Kf = 2.8 × 109.

Q: A solution was prepared by dissolving 511 mg of Na,Fe(CN), (M = 303.91 g/mol) in sufficient water to…

A: Concentration of a solution is determined in terms of molarity which means moles of the solute in…

Q: he alkalinity of the unknown groundwaters A and B has been acquired by the dissolution of NaHCO3 and…

A: Processes that inhibit pH changes in an aquifer are called pH buffering processes. These processes…

Q: The equilibrium constant for 2C 3A + B is K = 0.1 Determine the equilibrium constant for 9A + 3B 6C…

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Q: ke many other complex ions, the formation of complexes between tin () cation and hydroxide anions…

A: Chemical equilibrium is the state in which the concentrations of reactants and products do not vary…

Q: Calculate the equilibrium constant for the reaction between Zn metal and Co2* solution: Zn + Co2+…

A: Given reaction is :  Zn + Co+2 ⇌ Zn+2 + Co  To determine equilibrium constant we need to determine…

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: Calculate the molar concentration of cadmium(II) ion in equilibrium with solid Cd(OH)2 at pH =…

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Q: Which member of each pair produces the more acidic aqueous solution: (a) ZnBr2 or…

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Q: The equilibrium constant for the ion-pairing reaction Mg2*(aq) + So (aq) = MgSO,(aq) is Kjon pair=…

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: Write chemical equations for the preparation of sols : (a) Gold sol by reduction. (b) Fe (OH)3…

A: Write chemical equations for the preparation of sols : (a) Gold sol by reduction. (b) Fe (OH)3

Q: The formation constant of a silver cyano complex is 5.6 x 1018 Ag+ + 2 CN Ag(CN)2 If a certain…

A: Given, the formation reaction for a silver cyano complex: Ag+ + 2CN- ⇌ Ag(CN)2- The formation…

Q: What is the minimum pH at which Cd(OH)2(s) will precipitate from a solution that is 0.0055M in…

A: Solubility product   In case of a sparingly soluble salt,  the solubility of salts are very less.…

Q: Which of the following salts does NOT cause permanent hardness? A Ca(HCO,), 2. B M8SO , © FeCl, D…

A: Ans : C ( Hard water is the water that contains soluble salts of bivalent ions like calcium and…

Q: Using the dissociation constant, Kd = 2.2 × 10–34, calculate the equilibrium concentrations of Co3+…

A: The dissociation constant is the constant at equilibrium, when the complex is dissociated to its…

Q: The first step in the preparation of magnesium metal is the precipitation of Mg(OH)2 from sea water…

A: At certain temperature, the mixing property of components is determined by their solubility product…

Q: If the equilibrium constant for 3A+3B= 3C is 0.169, then what is the equilibrium constant for 2C=…

A: Consider the information is as follows; 3 A   +    3B     ⇌     3C                 Keq=0.169…

Q: Calculate the value of the equilibrium constant for the reaction below based on the following…

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Q: Create the flowchart of qualititative analysis of Cations in Group 2 and explain.

A: Group II (Cu2+, Bi3+, Cd2+, Hg2+, As3+, Sb3+, Sn4+) cations produce very insoluble sulfides (Ksp…

Q: 1. What color of precipitate is produced when Na₂O₂ oxidizes Co(OH)₂? 2. What is the product of the…

A: As per our company guidelines we are supposed to answer only three questions.kindly repost remaining…

Q: Calculate the pH of a 0.65 M solution of aqueous bromous acid (HBrO2, Ka = 1.2 x 10-5).

A: Dissociation constant of acid (Ka) - In dissociation reaction of acid, ratio of concentration of…

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

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Q: Calculate the solubility of the slightly soluble salts of Cr(OH)2 and Cr(OH)3. What would you…

A: The question is based on the concept of solubility product Principle.   it states that a weak…

Q: Calculate the solubility of Ni(OH) 2 in a solution buffered at pH = 8.75 (K sp = 1.6 x 10 -16 ).

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Q: How many milligrams of NaOH must be added to 100.0 mL of a 1.25 x 10-9 M CeCl3 solution in order to…

A: Recall the dissociation of CeCl3         CeCl3→Ce3+ + 3Cl-Find concentrations of ions obtained from…

Q: platinum in this solution as well as b) the molar concentration of the platinum in this solution.…

A: volume by volume percentage of the solution is the way to quantify the amount of the solute present…

Q: Consider the insoluble compound cobalt(II) carbonate , CoCO3 . The cobalt(II) ion also forms a…

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Q: A mix of two oxides of two different elements located in the third period melts in water forming an…

A: We know buffer solution is the solution of weak acid with conjugate base or weak base with conjugate…

Q: A water solution contains 10 mM HCO3 and 0.2 mg/L CO,2-. We also know the solution pH is 8.5. Please…

A: Solution                          Give that  PH = 8.5 Alkalinity It is the ability of substances…

Q: A solution was prepared with 0.482 mol of pyridinium fluoride (C, H, NHF) and enough water to make a…

A: Given: Ka= 6.30×10-4 for 0.482M Kb=1.70×10-4 for 1.00L Solution-

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: Define the following terms; Selective Precipitation: Quantitative Analysis: ii) Which metals is…

A: (i) Selective precipitation is defined as the process used for the separation of ions in the…

Q: Estimate the pH change brought about by dissolving 4 mg/L of Cl2 in water with an initial alkalinity…

A: Given, Cl2 = 4 mg/L initial alkalinity = 1.0 meq/L pH = 7.0

Q: 5. The equilibrium constant, K¸, for the reaction below is 6.0 x 10 ³. Fe(H,0),*(aq) +…

A: The concentration of the hydrogen ions released is equal to (KaC)1/2 where Ka is the dissociation…

Q: 2. When a metal complex ion is formed in solution, what are the metal ion and ligands acting as? * O…

A: The metal ion complexes are formed in a solution by the interaction of the metal and ligand. The…

Q: Calculate the pH of a solution that is 0.100 M in Fe(NO3)3.

A: K=[H3O+][Fe(H2O)5OH]2+[Fe(H2O)6]3+

Q: Calculate the equilibrium constant for the reaction 2Fe3++H3AsO3+H2O=2Fe2++H3AsO4+2H+

A: Observing the given reaction shows that it is a redox reaction. First the E0 of the reaction is…

Q: Discuss the solubility product constant values of silver halides in accordance with HSAB theory.

A: Q-Discuss the solubility product constant values of silver halides in accordance with HSAB theory.

Q: Calculate the pH of a solution containing 0.085 M nitrousacid (HNO2, Ka = 4.5 x 10-4) and 0.10 M…

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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: 4. A 0.010 M solution of AgNO3 is made 0.50 M in NH3 and Ag(NH3)2 complex forms Ag(NH3)2*(aq) Kf =…

A: The balanced chemical equation is given below.

Q: Calculate the solubility of Co(OH)3, Ksp=2.5*10^-43, in a solution at PH=4.0

A: The solubility reaction is given by  Co(OH)3 (s) ------> Co3+ (aq) + 3 OH- (aq) since pH = 4…

Q: The metal ion M2+ in ammonia, NH3 forms the complex ion M(NH3)62+ (Kf = 5.1x108).  Calculate the M2+…

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Q: Calculate the pH of a 0.1 M sodium hypoiodite solution.

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Q: 4. Why do silver salts dissolve readily in 3 M HNO3? Why is the fresh chlorine water critical to…

A: Soluble silver salts dissolve in H2O if it is either neutral pH or acidic. But, if the water is…

Q: The group III ions are separated from each other by taking advantage of the fact that two of the…

A: An amphoteric hydroxide is defined as a hydroxide that behaves as both a weak acid as well as a weak…

Q: What is the most likely missing coefficient in the formation equation between cobalt (III) and…

A: Given :-  Co3+ +____ NH3 <----> product   To be determined:- coefficient of NH3 in above…

Q: Pb(OH)2 (s) is amphoteric and forms the complex ion Pb(OH)42−(aq) with excess OH− (aq) in solution.…

A: Balanced reaction is givrn below

Q: The equilibrium concentration of chromate ion in a saturated lead chromate solution in M  and The…

A: The compounds given are lead chromate i.e. PbCrO4 and silver sulfide i.e. Ag2S.