The distribution constant Kp for 1₂ between chloroform and water is 87. Given Kf = 750 M for 1₂ <----> 13`, what fraction of 12 initially present in 50 mL of water is expected to partition into the organic phase after single extraction with 50 mL of chloroform?
Q: - 1. The Ksp of Cu3(ASO4)2 at 25 °C is 7.6 x 10-36. What is the molar solubility (s) of Cu₂(ASO4)2…
A: Given,1. The Ksp of Cu3AsO42 at 25 °C = 7.6 × 10-36 .2. Concentration of PbNO32 solution = 0.10 M…
Q: In an equimolar mixture of carbonate and chloride, Ag2CO3(e) (Ksp = 8.46 x 10-12) will precipitate…
A: Given: Concentration of carbonate ion i.e. CO32- ion and the chloride ion i.e. Cl- ion is the same…
Q: 5. What is the activity coefficient of Ba2+?
A: Given-> Molarity of BaCl2 = 0.025 M
Q: 12. You wish to separate the cations in a solution containing Cd2+, Ag, Ba2+, Na+, and Pb2+.…
A: The objective is to selectively precipitate the cations in the solutions.
Q: The K sp of Cu 3(AsO4)2 at 25 °C is 7.6 x 10-36. What is the molar solubility (s) of Cu3(AsO4 )2 in…
A: Molar solubility is the maximum amount of salt that can dissolve in the solvent to form Saturated…
Q: A solution of NaF is added dropwise to a solution that is 0.0614 M in Mg2+ and 3.53e-05 M in Y³+.…
A: #(a) and #(b): The balanced precipitation reactions are: MgF2(s) ⇌ Mg2+(aq) + 2F-(aq) ; Ksp =…
Q: A solution of Na2CO3 is added dropwise to a solution that is 0.0553 M in Nd 3+ and 5.09e-09 M in…
A: Given data:[Nd3+] = 0.0553 M[Hg22+] = 5.09 x 10-9 MKsp of Nd2(CO3)3 = 1.08 x 10-33Ksp of Hg2CO3 =…
Q: The Ksp of Fe(OH)2 is 4.87 x 10-17. Calculate: a) The molar solubility of Fe(OH)2. b) The…
A: The molar solubility of Fe(OH)2 is
Q: The Ksp of Ba(IO3)2 at 25 oC is 6.0 x 10-10. What is the molar solubility of Ba(IO3)2?
A: Given Data: Let the molar solubility of Ba(IO3)2 is s. The Ksp expression for Ba(IO3)2 is shown…
Q: When 22.0 mL of a 3.08 x 10-4 M potassium sulfide solution is combined with 25.0 mL of a 5.78 × 10-4…
A:
Q: The Ksp of CaSO4 is 2.4x10-5. What is the molar solubility of CaSO4 in 0.11 M aqueous Ca(NO3)2?
A: All known compounds can be dissolve in certain solvents whereas they remain insoluble in other…
Q: Using activities, what is the molar solubility of Zn(OH)2 in 0.0100 M KCl? Thermodynamic Ksp = 3.0 x…
A:
Q: When 25.0 mL of a 6.89 × 10-4 M potassium sulfide solution is combined with 18.0 mL of a 3.42 x 10-4…
A:
Q: Solid aluminum hydroxide (Ksp = 1.3 x 10-33) is added to 3.50 mM Al(NO3)3 solution until there are…
A:
Q: b) Equal volumes of 0.025 M of potassium bromide (KBr) and 0.005 M of lead nitrate (Pb(NO;),)…
A: When the Ksp values of a particular compound exceeds then the precipitation takes place .
Q: The value of Ksp for Mg3(AsO4)2 is 2.1 * 10-20. The AsO43- ion is derived from the weak acid H3AsO4…
A:
Q: NazSO4 is added gradually to 100 cm3 of a solution that contains 0.15 M Ca2+ and 0.15 M Sr2* ions…
A: The solubility product constant (Ksp) represents the solubility of products at equilibrium for…
Q: A saturated solution of Mg(OH)2 at 25°C is prepared by equilibrating solid Mg(OH)2 with water.…
A: Given-Solutions of Mg(OH)2 Solution of conc. NaOHKsp ( Mg(OH)2 ) = 1.2 × 10-11 To find- The…
Q: Calculate the solubility of zinc (II) hydroxide in a solution maintained at (i) pH= 5.3 (ii) pH=…
A:
Q: The ksp of CaF2 is 3.9 x 10 -11 at 25o C. Assuming that CaF2 dissociate completely upon dissolving…
A: In a balanced chemical reaction, the product of the equilibrium concentration of the ions of the…
Q: The Ksp of Ba(IO3)2 at 25 °C is 6.0 * 10-10. What is the molar solubility of Ba(IO3)2?
A: Given Data:
Q: the solubility of Ba(IO3)2 in a solution prepared by mixing 300 mL of 0.010 M Ba(NO3)2 with 200 mL…
A: We have to find solubility of Ba(IO3)2
Q: 5-ksp When 15.0 mL of a 9.75×104 M calcium bromide solution is combined with 12.0 mL of a 4.62×104 M…
A:
Q: Precipitation titration is often used to determine the concentrations of halides. Consider the…
A:
Q: What is the molar solubility (in mol L-1) of a salt with general molecular formula MX (where M is a…
A: Given data : 1.Initial solubility of M+ = 0.534 mol-1 2. Ksp of MX = 2.1 x 10-8
Q: A 725 mL sample of a saturated aqueous solution of calcium oxalate, CaC2O4, at 95°C is cooled to…
A: Solution -
Q: The cations in an aqueous solution that contains 0.150 M Ba(NO3)2 and 0.0800 M Ca(NO3)2 are to be…
A: Here we have to separate the two ions depending upon their solubilities in an aqueous medium. As the…
Q: The Ksp for silver chromate (Ag2CrO4) is 1.1x10-12. Using the same initial set up of 10mL of 1M…
A: The solubility of and CrO42- ions in the aqueous solution is considered to be s and the solubility…
Q: What is the molar solubility of Mg(OH)2 at 25oC. Ksp = 5.6 x 10-12
A: Equilibrium between a solid substance and its solution is termed a solubility equilibrium. The…
Q: A solution of 0.079 M CoBr2 is saturated with H2S. ([H2S] = 0.087 M. Assume saturation is maintained…
A: The dissociation reaction of CoBr2 is written below.CoBr2 ⇌ Co2+ (aq) +2Br-(aq)The concentration of…
Q: A chemist mixes 10.0 mg of Ca(NO3)2 to a 100.0 mL sample of 0.010 M Na2C2O4 at 25 oC. Assume the…
A: For precipitate to be formed :- Ksp < Qsp .The solution is in explanation:-Explanation:Step 1:…
Q: At 15 °C, the solubility product of PbCrO4 is 1.69 × 10-14 mol2dm-6. (a) Write an expression for…
A: Ksp is known as the solubility product constant. Its expression is equal to the product of the molar…
Q: The solubility product constant of Hg2Cl2 is 2 × 10-18 at 25°C. Estimate the concentration of Hg22+…
A: Given information, The solubility product constant of Hg2Cl2 is 2.0 × 10-18 at 25°C
Q: Calculate the Ksp of solid Mg3(PO4)2 if the molar solubility of Mg3(PO4)2 in 0.0015 M Na3PO4 is 3.5…
A: Given: Molar solubility of Mg3(PO4)2 = 3.5 × 10-6 M And concentration of Na3PO4 = 0.0015 M
Step by step
Solved in 2 steps
- In the standardi zation of HCl using pure anhydrou s sodium carbonate as primarystandard for methy l orange as indica tor , 1.0 mL HCl was found to be equiva lent to 0.05gof sodium carbonate (MW =106). The no rmality of HCl isExtraction of DNA involves the use of a 1 M phosphate buffer (1-liter volume) having the hydrogen ion concentration of 6.165950019 x 10-9 M. Three pKa of phosphoric acid are available Concentrated phosphoric acid (85% w/w; Sp. Gr. = 1.70; MW = 98 g/mol) Sodium dihydrogen phosphate monohydrate (MW = 138g/mol) Sodium biphosphate heptahydrate (MW = 268g/mol) Tribasic sodium phosphate monohydrate (MW = 182 g/mol) Sodium hydroxide pellets (40 grams/mol) Question: What is the pH of the solution? (answer in two decimal places) How much of the weak acid component should be used? (Note for answer: Round to the nearest hundredth and include the unit such as "grams or milliliters"; Ex. 100.00 grams or 100.00g for weight & 100.00 milliliters or 100.00 mL for volume) Question: What is the suitable buffer component to be used? (Note for the answer: Separate the two components with “and”; Ex: Ammonia and Ammonium chloride) Question: How much of the salt component should be used?…Please send me the question in 30 minutes it's very urgent plz
- grammarly-G X * Content oard.odu.edu/ultra/courses/_393452_1/cl/outline F2 Question Completion Status: X GA student wan X 1 QUESTION 3 A student wants to determine the solubility of water and copper (1) bromide (a green solid) in ethyl acetate (a colorless organic liquid). She places 1 mL of ethyl acetate into each of two test tubes. To one, she adds 5 drops of water to it. To the other, she adds a small scoop of copper(1) bromide. 8.0 F3 2 - Which test tube represents the ethyl acetate and A. Test tube 1 copper(1) bromide if the copper(1) bromide is insoluble in ethyl B. Test tube 2 acetate? C. Test tube 3 D. Test tube 4 - Which test tube represents the mixture of the ethyl acetate and water if the water is insoluble in ethyl acetate? $ Question Com X C Chegg Search x 3 Which test tube represents the mixture of the ethyl acetate and water if the water is soluble in ethyl acetate? - Which test tube represents the ethyl acetate and copper(1) bromide if the copper(1) bromide is soluble…Q: 1: The distribution constant for iodine between an organic solvent and H;O is 85. Find the concentration of I; remaining in the aqueous layer after extraction of 50.0ml. of 1.00 x 103 M I; with the following quantities of the organic solvent: (a) 50.0 ml.; (b) two 25.0 ml. portions; (c) five 10.0 ml. portions. Q: 2: An acidic solute, HA, has an acid dissociation constant of 1.00 x10, and a partition coefficient between water and benzene of 3.00. Calculate the extraction efficiency when 50.00 mL of a 0.025 M aqueous solution of HA buffered to a pH of 3.00, is extracted with 50.00 mL of benzene. Repeat for cases in which the pH of the aqucous solution is buffered to 5.00 and 7.00.c) Calculate the solubility (s) of BaSO4 (Ksp = 1.08×10-10) in an aqueous solution with ionic strengths (Im) = 0.00010 mol kg-1. Given that: A = 0.509 for aqueous solution at 25 oC. [1.09×10-5](hint: MX ⇌ M+ + X-, ??sp = (??M+)(??X−), Ksp denotes solubility product)
- s- Homework - 2022.pdf - Adobe Acrobat Pro DC (32-bit) E-Sign Window Help Chapter 14 - Soluti. x 日 Q 1/3 135% - 6) What volume (L) of a 0.277 M KBr solution is needed to provide 13.4 g of KBr? 2olusolorm stuloe (2)-(5)anivab rbidW eslorm (1) v) gumu (5) (C) gntweb ( quam boesam eti bas bonsqoiq ai p02gsto noituloe euooups nA (S oloe srb lo viiensb srfl .noituloe orb to yiralom ord atsluoliA dilute peroxide solution was prepared by quantitatively diluting 10 mL stock H2O2 (MW = 34.0147) to 250mL using a volumetric flask. 50 mL aliquot of the diluted peroxide solution was titrated using the previously standardized KMnO4 in problem 1. Titration of the sample required 29.00 mL titrant and the blank containing 50 mL 1:5 H2SO4 required 0.75 mL of the standard KMnO4. Calculate the concentration in %w/v of the stock H2O2. (Hint: H2O2 produces O2 under acidic condition). Follow sig. FigIn carbonate mixtures, Vpth > ½Vpcg for an NaOH, Na2CO; mixture. Try to explain why the relationship inverts and Vpth < ½Vbcg for an Na;CO3, NaHCO3 mixture.
- 5-22 is my question.Tooth enamel consists mainly of the mineral calcium hydroxyapatite, Can(PO)(OH). Trace elements in teeth of archeological specimens provide anthropologists with clues about diet and disease of ancient people. Students at Hamline University measured the trace element strontium in cnamel from extract wisdom teeth by atomic absorption spectroscopy. Solutions were prepared with a constant total volume of 10.0mL. containing 0.750mg dissolved tooth enamel plus variable concentration of added Sr. \table[[Added Sr (ng/mL- ppb), Signal (arbitrary units)], [0, 28.0], [2.50, 34.3], [5.00, 42.8], [7.50, 51.5], [10.00, 58.6]] a) Prepare a graph to find the concentration of Sr in the 10mL sample solution in part per billion = n m L. (2%) b) Find the concentration of Sr in tooth enamel in part per million = μ (3%) 5. Tooth enamel consists mainly of the mineral calcium hydroxyapatite, Ca(PO)(OH). Trace elements in teeth of archeological specimens provide anthropologists with clues about diet and…II 2016) as uid. I 2016) stics is ositive. sitiva 9. The protecting power of lyophilic colloidal sol is expressed in terms of (a) coagulation value (b) gold number (c) critical micelle concentration (d) oxidation number BVP ³h, 10. If x is amount of adsorbate and m is amount of adsorbent, which of the foll (d) (a)