Calculate the solubility of Co(OH)3 (s),  Ksp = 2.5 x 10-43, in a solution at pH= 4.0

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: What is the the equilibrium equation and the Ksp expression for CO2S3?

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Q: When a solution of potassium chromate, K,Cro, (aq) is added to a solution of silver nitrate, AgNO,…

A: A precipitation reaction is the reaction in which an insoluble salt is formed when two solutions…

Q: Hydroxyapatite, Cao H),, has a solubility constant of Rp according to Ca(PO,)OH),(s) 10C2 (aq) + 6…

A: We have given that Ca10(PO4)6(OH)2(s) ⇌ 10Ca2+(aq) + 6PO3-4(aq) + 2OH-(aq) Ksp = 2.34×10-59…

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

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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: equilibrium reactions and equations

A: Precipitation reactions occur when cations and anions in aqueous solution combine to form an…

Q: Calculate the solubility (in g/L) of Aluminum sulfide (Al2S3) In 0.25 M Al+3 solution. (standard…

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

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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: 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: What is the concentration of F− ions in a solution prepared by saturating a 0.0045 M Ba(NO3)2…

A: The concentration of Ba2+ is 0.0045 M. The dissociation of BaF2 is given below. An equilibrium…

Q: A: Calculate the solubility product constant for P6C12, if 80.0 mL of a saturated solution of PbCl…

A: (a) A saturated solution is a solution that contains exact amount of solute the given volume of…

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

A: Fh

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: How long does it take for half of the sample to isomerize? (k = 2 x 104s1)

A: As it is given  k = 2*10^-4 s^-1  And from graph of ln(CH3NC) Vs time which is a straight line .…

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: The ionization constant Ka for nitrous acid is 4.6x10⁻⁴. What are the the pKa for nitrous acid and…

A: Given : Ka of HNO2 i.e nitrous acid = 4.6 X 10-4  And concentration of HNO2 = 0.1 M The ionisation…

Q: Calculate the solubility of Ag2SO4 in water is the Ksp is 1.5 x 10-5. 0.016 M 7.5 x 10-6 M 0.020 M…

A: In this question, we have to calculate the solubility of Ag2SO4 in water.  Given : Ksp value for…

Q: Can you compare the solubility of Co2 in water compared with saturated NaCl solution?

A: solubility of Co2 in NaCl solution is less than in water increases with the temperature and…

Q: what is the solunility of silver chromate in an aqueous solution containing 0.04 M silver nitrate?…

A: Solubility of Ag2CrO4 in an aqueous solution containing 0.04 M silver nitrate = 1.25 x 10-9 M

Q: What is the pH of a 0.237 solution of sodium hypobromite (NaOBr)? The Ka of hypobromous acid is 2.24…

A: Ka for HBrO , Ka = 2.24 × 10-9  Kb = 10-14 / 2.24 × 10-9 = 4.46 × 10-6  NaOBr ---> Na+ + OBr-

Q: Analysis of an equilibrium solution of silver chromate indicates that the silver concentration is…

A: We have Concentration of Ag+ to be 1.3*10-4 M, we have to calculate the value of Ksp .

Q: 67. What is the pH at which 0.01 M Co2 ions in solution just precipitate as Co(OH), ? Kp of Co(OH),…

A: We have to find the pH at which Co+2 ion in solution precipitates

Q: What is the solubility of La(IO₃)₃ in water? (Ksp of La(IO₃)₃ is 7.5 × 10⁻¹²)

A: Solubility :- The maximum amount of a solute that can be dissolved in specified amount of solvent at…

Q: Given that the standard free energies of formation of Ag+(aq), Cl−(aq), and AgCl(s) are 77.1 kJ/mol,…

A: The given data contains, ∆G =∆G(AgCl(s))-∆G(Ag+)+∆G(Cl-)       =-109.8 kj/mol-77.1 kj/mol-131.2…

Q: What is the pH of a 0.473 solution of sodium hypobromite (NaOBr)? The Ka of hypobromous acid is 2.24…

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Q: What is the minimum pH at which Cr(OH)3 will precipitate from a solution that is 0.086 M in Cr3+…

A: The Ksp for salt is be expressed as :

Q: lodine is used as a disinfectant for cleaning surfaces and storage containers and is used in skin…

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Q: Calculate the concentration of dissolved aluminum and the mass of Al (in g/L) in water with a pH of…

A: As pH increases H+ ion concentration decreases or OH- concentration increases ,so from le-chatelier…

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

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Q: The concentration of dissolved O2 in water that is required to support aquatic life is 4.0 mg/L.…

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Q: I am not understand these problems. Can someone help?

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Q: Calculate the solubility of Zn(OH)2(s) in 2.0 M NAOH solution. (Hint: You must take into account the…

A: Solubility  product: The solubility of a sparingly soluble salt-forming saturated solution in water…

Q: Calculate the formation constant K; for Ag(CN),: Ag* + 2CN = Ag(CN), if the cell SCE|| Ag(CN), (7.50…

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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: You have dissolved 5 g of a rock containing a mixture of calcium carbonate and inert sand in 100 mL…

A: Mass of rock = 5g Volume of Solution = 100 mL = 0.1 L Molarity of solution = 1 mole /L Concentration…

Q: The equation for the reaction by which a sodium cyanide solution dissolves gold from its ore is…

A: The no of moles of any substance is the ratio of their given mass to the molar mass of that…

Q: ion oxidation state of metal atom [Mac (NH).J [Fe(OH), (co)]

A: This question is related to coordination chemistry. A coordination complex consists of a central…

Q: "In the process of lime softening, calcium hydroxide (Ca(OH)2) is added to hard water to remove…

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Q: For HClO2, Ka= 1.2 × 10-2. What is the pH of an aqueous solution in which [NaClO2] = 0.193 M and…

A: Buffer solution is the solution which contains both acidic as well as basic part. The pH of buffer…

Q: calculate the concentration of Ca2+ in a saturated solution of Ca(OH)2 (ksp= 0.0000055) with a pH of…

A: pH=12.55  pOH =14-12.55 = 1.45 pOH =1.45  pOH =-log [OH-] [OH-]=10-1.45 [OH-]=0.0355  M

Q: A sample of water in contact with solid Fe(OH)3 is found to have a pH of 7 .5. If no other dissolved…

A: To calculate the pOH of the solution, the equation used is: pH + pOH = 14         ........(1) pOH is…

Q: The pH of  a saturated  solution   of Fe(OH)2  is 9.3 . Calculate the ksp of Fe(OH)2

A: Given, pH of FeOH2 is 9.3  FeOH2 → Fe2+ +2OH- According to the formula :       pH + pOH =14…

Q: Describe the role of (i) NaCN in the extraction of gold from gold ore. (ii) Si02 in the extraction…

A: The extraction of metals in pure form is defined by the metallurgical process. Metals are made to…

Q: Calculate the pH of a 0.67 M solution of sodium nitrite (NANO,). K, (HNO2) =4.6 x 104 8.58 8.01 9.56…

A: pH of 0.67 M NaNO2 solution ( Ka of HNO2 = 4.6 X 10-4 )    First, write the equation for the…