Q: 1. Aluminum is determined gravimetrically by precipitating Al(OH)3 and isolating Al½O3. A sample…
A: “Since you have posted a question with multiple sub-parts, we will solve first three subparts for…
Q: 10. Determination of the presence of Aluminum ion in 30.0g of ore sample is: a standardization…
A: A standardization process is that in which the concentration of a substance is determined.…
Q: What is the solubility of Cr(OH)₃ at a pH of 11.70? (Ksp Cr(OH)₃ is 6.70 × 10⁻³¹)
A: pH = 11.70 pOH = 14 - pH = 14 - 11.70 = 2.30 Therefore, - log [OH-] = 2.30 [OH-] = antilog (- 2.30…
Q: Which indicator is used in the complexometric titrations of zinc with EDTA? Define Hardness of…
A:
Q: A 100.0-mL sample of spring water was treated to convert any iron present to Fe2*. Addition of…
A: Balanced equation of the reaction between Fe2+ and Cr2O72- indicates 6 moles of Fe2+ combines with 1…
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: What is the solubility of Cr(OH)₃ at a pH of 10.90? (Ksp Cr(OH)₃ is 6.70 × 10⁻³¹)
A:
Q: What is the solubility of Cr(OH)₃ at a pH of 10.40? (Ksp Cr(OH)₃ is 6.70 × 10⁻³¹)
A:
Q: If 28.70 mL of 0.0200 M KMnO4 is required to titreate a 0.250 g sample of K3[Fe(C2O4)3]x3H20, what…
A: The given data contains, Volume of KMnO4 = 28.70 ml. Molarity of KMnO4=0.0200 M.
Q: 2) What is the role of EDTA in determining the hardness of a water sample along with the chemical…
A:
Q: 2) In order to determine the hardness of water, 100 mL sample is taken. After neutralizing the…
A:
Q: What is the concentration (in millimolar) of F ions when 33 mg of MGF2 completely dissociates in 2.5…
A:
Q: For H2CO3, Kal = 4.3 x 10- and K = 4.8 x 10-11. %3D What is [CO3] closest to in a 0.10 M H,CO3…
A:
Q: A0.100 M KCI solution is placed in contact with a 0.100 M LICI solution. Which statements are TRUE…
A: We are here given 0.100 M KCl solution in contact with 0.100 M LiCl solution the ion mobilities are…
Q: A solution contains 0.040 M in Cu 2 and 0.30 M in CN. If the Kf for Cu(CN)4 ² is 1.0 x 1025, how…
A: The reaction for the above process is given below : Cu(CN)42- ⇌ Cu2+ + 4CN- Given that : Kf =…
Q: A similar experiment as this lab is done as following: 0.456 g of solid AgCl is added a 25 mL…
A: Answer is explained below.
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: Which of the following is most soluble? A) AgCl: Ksp= [Ag+][Cl–] = 1.82 x 10-10 B) AgBr: Ksp=…
A: The value of Solubility product (Ksp) determines the degree to which the compound can dissociate…
Q: Calculate the solubility of Ni(OH) 2 in a solution buffered at pH = 8.75 (K sp = 1.6 x 10 -16 ).
A:
Q: Using the stepwise formation constants given, calculate the net formation constant for the…
A: For a multi-step reaction, M+nL⇌MLn-----KStepwise formation…
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: You have 10ml of an 8% aqueous solution of H2Cl6Pt a) Calculate the platinum in this solution as…
A: Molarity is equal to number of moles of solute divided by the Volume of solution in Litres. Density…
Q: Cerium. 2. Why is it not advisable to dissolve KMnO4 in conc. H₂SO4?
A:
Q: The concentration of a K3[Fe(CN)6] solution is 0.15 M. Calculate the concentration of a solution of…
A: Given that, the concentration of a K3[Fe(CN)6] solution is 0.15 M. We have to calculate the…
Q: As part of a geological team that studied a local cave, you brought with you a bunch of 1.00 g rock…
A: The reaction taking place will be, MgOH2+EDTA4- → MgOH2EDTA4- Calculate number of moles of EDTA: 1…
Q: Calculate the molar concentration of HNO3 in a solution that has a specific gravity of 1.42 and is…
A: Molarity (M) :- The number of moles of solute dissolved in one litre of solution is defined as…
Q: Calculate the maximum concentration of silver ion (Ag+) in a solution that contains 0.025 M CO32–.…
A: Ksp =[Ag+]2[CO32-] [Ag+]2 = Ksp /[CO32-] [Ag+]2 = 8.1 x 10-12/ 0.025 [Ag+]2 = 3.24 x 10-10…
Q: As part of a geological team that studied a local cave, you brought with you a bunch of 1.00 g rock…
A: Given that - Mass of sample of rock = 1.00 g Molarity of EDTA Solution used = 0.050 M Volume of…
Q: Which indicator is used for copper analysis in oxidation reduction titrations? A. KMnO4 B. Starch…
A: Indicator used for copper analysis in oxidation reduction titration is
Q: . TRUE OR FALSE (a) Y-4 is the form of EDTA that effectively chelates metals in solution. True…
A: A) Y4- is the form of EDTA that effectively chelates metals in solution.
Q: Which of the following salts does NOT cause permanent hardness? A MGSO, B CaCl, B Ca (HCO ,) , D…
A: Water have two types of hardness 1. Temporary hardness 2 Permanent Hardness
Q: One of the following ions is present in tiny amounts in a solution, but the ionic strength has been…
A:
Q: Calculate the concentration of Ca++, Cl in mM/L and meq/L; and hardness in mg/L as CACO3 produced by…
A: Dear student, calcium chloride is highly soluble in water. Concentration of calcium chloride in its…
Q: Calculate the Ksp for silver sulfate if the solubility of Ag2SO4 in pure water is 4.5g/L.
A: Given, solubility of Ag2SO4 in pure water is 4.5g/L.
Q: Find the normality of the solution containing 4.63 g/l k2Cr207 (Fwt = 294.19) if cr+6 is reduced to…
A:
Q: Which carbonate mineral would you expect to have lowest molar solubility if placed in pure water at…
A: For salts of the type AB, the relation between solubility(s) and solubility product (Ksp) is given…
Q: Calculate the solubility of silver chloride (AgCl) in g/L. Ksp = 1.6 x 10-10 MM of Ag: 107.8 g/mol;…
A: Given-> Ksp = 1.6 × 10-10 Atomic mass of Ag = 107.8 g/mole Atomic mass of Cl = 35.4 g/mole
Q: One of the following indicators or species or mixtures is colorless in acidic solution? a. Starch-l3…
A: In this question, we will see which can not give color in acidic solution means it should be remain…
Q: Hardness in groundwater is due to the presence of metal ions, primarily Mg²+ and Ca²+. Hardness is…
A: Hardness of water means amount of the substance dissolved in water. This hardness can be expressed…
Q: Calculate the concentration (in molarity) of free Cd2+ ions in a solution made by adding 0.35 moles…
A: NOTE: Since the Kf is not given completely. Hence I'm taking it from the literature. Given: Moles of…
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: Which of the following statements are correct? Metallochromic indicators form complexes with EDTA…
A: This question is related to complexometric titration. EDTA is indicator used in complexometric…
Q: Calculate the equilibrium constant for the following reaction at 25°C: Fe"(aq) 2Ag(s) Fe(s) 2Ag (aq)
A: The detailed solution of your question given below-- Since, we know that according to the law of…
Q: These are six test tubes containing 0.1 M aqueous solutions of (in no particular order) (view…
A: Six test tubes containing 0.1 M aqueous solution with no particular order are given NaOH Ca(NO3)2…
Q: Based on the diagram, what metal cation(s) can be titrated with EDTA at pH 7? a) Mn2+ b) Sr2+ c)…
A: According to the given graph, metal ions with high log(KMY) value can be titrated at low pH, and…
Q: A similar experiment as this lab is done as following: 0.456 g of solid AgCl is added a 25 mL…
A: The solubility product constant (Ksp) represents the solubility of products at equilibrium for…
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: Give the equation for the leaching reaction of (i) Cu° with NaCl/CuCl2 solution (ii) Ag° with KCN…
A: Given information:
Q: Which of the following is soluble in water at 25∞C a) FeCO3 c) Fe(OH)2 b) Fe3(PO4)2 d)…
A: Given Four ferrous salts such as FeCO3, Fe(OH)2, Fe3(PO4)2 and Fe(NO3)2, from whom the most soluble…
Trending now
This is a popular solution!
Step by step
Solved in 2 steps
- The grid has six lettered boxes, each of which contains an item that may be used to answer the questions that follow. Items may be used more than once and there may be more than one correct item in response to a question. Place the letter(s) of the correct selection(s) on the appropriate line. Could dissolve Zn(OH)2 _____________ Could be used to prepare a buffer from __________ Halfway to the equivalence point in the titration of a weak, monoprotic acid with strong base ________ SO2-related atmospheric phenomenon __________ Species formed by a Lewis acid-base reaction ________ General condition required for precipitation to occur ________ [conj. base] = [conj. acid] in a buffer ___________Which of the following salts does NOT cause permanent hardness? A FeCl, B CaCl, © Ca(HCO,), (НСО ,), D MgSO 4Which of the following salts does NOT cause permanent hardness? M8SO, B CaCl, Ca(HCO 3) , D FeCl,
- Which of the following salts does NOT cause permanent hardness? B CaCl, © M8SO, OCa(HCO,), 2Which of the following salts does NOT cause permanent hardness? А Cа(НСО ), B © FeCl, D CaCl,# E 80 C Consider the insoluble compound copper(II) carbonate, CuCO3. The copper(II) ion also forms a complex with ammonia. Write a balanced net ionic equation to show why the solubility of CuCO3 (s) increases in the presence of ammonia and calculate the equilibrium constant for this reaction. For Cu(NH3)42+, K₁= 6.8x10¹2. Be sure to specify states such as (aq) or (s). K= Submit Answer $ 4 R F + V 67 20 % 5 [Review Topics] [References] Use the References to access important values if needed for this question. T G Retry Entire Group 9 more group attempts remaining ? Cengage Learning | Cengage Technical Support 6 B MacBook Pro Y H + & 7 N U J * 00 8 ▶ I M ( 9 K € O ) O L ➡ P Previous )) Email Instructor Save and Exit { + . || [ = Next> ? I 1
- We titrate 25.0 cm3 of 0.012 M K4[Fe(CN)6] solution with 0.020 M K3[Fe(CN)6] solution. Whatwill be the concentration of the oxidized and reduced forms in the mixed solution after the addition of16.2 cm3?Calculate the equilibrium molarity of aqueous Fe^2+The following chemical equations shows the stepwise Formation Constant expression (K₁ tok3) of each 0x replaces to K₁- water +C2042. S [Fe(C₂04)] +C204² [Fe(C₂04)₂] +C204²) [Fe(ox)] [Fe3+][0x] K₂ = [FeC₂04)]* => [fe (Goy)₂ ] + [Fe(C₂04)₂] 3- [FeCox₂] [Fecoxt] [ox] K3 = a) write the overall formation Constant (KF or Bs) demonstrating that the by the product of Constants. [FeCox)33] [Fe(ox₂][x] experssion KF is given the three stepwise
- Given that Ksp for AgCl is 1.6E-10 and Kf for Ag(CN)2- is 5.6E8, calculate the concentration of Ag+ when 0.15 M AgNO3 is reacted with 0.25 M KCN.2. You are measuring the Fe(II) content of a sample of FeCl2.4H20. You weighed out 1.20g FeCl2.4H20 and dissolved it in 50 mls of 0.5M sulfuric acid. You removed 10 ml.s of this solution, mixed it with sulfuric acid and diphenylamine sulfonate indicator, and titrated it to the equivalence point with 0.0167M K2Cr207 solution. You obtained the following data. Volume of dichromate needed to reach the equiv. point = 9.5 ml.s Given that MeVEe = 6MaiVdi, (where Mre= molarity of the Fe(II) solution, Vre is the volume of the Fe(II) solution =10 mls. Mai = molarity of the dichromate solution- 0.0167M, and Vai = volume of dichromatsolution = 9.5 ml.s), calculate: %3D (a) The molarity of the Fe(Il) solution -M (b) Mass of Fe in the original solution = (Me)(0.05)(55.845) = ------ (c) The theoretical mass % Fe in FeCl2.4H20 - -% (d) The experimental mass % Fe in your sample of FeCl2.4H2O----% (e) The % error in your determination of the mass % Fe ---------%In the determination of iron in limonite, 0.5166 g of mineral is dissolved in acid and Fe2 + is titrated with 42.96 ml 0.0213 M Na2Cr2O7. Calculate the percentage of iron in limonite. (Ma(Fe): 56 g/mole)