What is the coefficient that should be placed in front of lead (IV) iodide (Pbl4)? * Nal + Pb(SO4)2 → _ Pbl4 + NazSO4 -

Q: Permanganatometry is used to quantify: A) Iron (II) sulfate B) Zinc sulfate C) Silver nitrate D)…

A: Permanganatometry is a redox titration which is used in quantitative analysis. It is used to measure…

Q: . Give complete chemical equations of the following reactions a. Oxalic acid + Sodium hydroxide > b.…

A: A chemical reaction mechanism represents the way to form and break the chemical bonds between…

Q: You have a solution that contains Ca2+ ions and another that contains Na+ ions. How would adding a…

A: Let solution A contains Ca2+ ions Solution B contains Na+ ions Adding a solution containing…

Q: What hazards are associated with this lab and what steps are taken to avoid them? Why does adding…

A: Hello. Since you have posted multiple questions and not specified which question needs to be solved,…

Q: Calculate the activity value of Na ion in a solution containing 0.0075 M MgCl2 and 0.015 M Na2SO4.

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Q: A 100.0-mL sample of spring water was treated to convert any iron present to Fe21. Addition of…

A: Given data: Volume of sample = 100 mL Volume of K2Cr2O7 = 25 mL Molarity of K2Cr2O7 = 0.002517 M…

Q: 1. Write a balanced net ionic equation for the reaction between iron (III) nitrate and sodium…

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Q: What is the activity coefficient of Hg22+ in a solution of 3.3 mM Hg2(NO3)2? O 0.67 O 0.65 O 0.63 O…

A: Given, Concentration of Hg2(NO3)2 is 3.3 mM activity of Hg22+ =  ?

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: What is the concentration of Cd2+ in a 0.016 M Cd(NO3)2 solution that is also 1.0 M NH3? For…

A: Kd is known as dissociation constant and it is equal to the ratio of concentration of product to the…

Q: Would tris(2,29-bipyridine)iron be a useful indicator for the titration of Sn21 in 1 M HCl with…

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

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Q: Calculate the pNO; for each ion in a solution that is 3.0×10³ M in Zn(NO;)2 and 750 ppm Cu(NO3)2.…

A: Given: ZnNO32=3×10-3 MCuNO32=750 ppm The atomic weight of copper is 63.5 g/mol. The atomic weight of…

Q: A solution contains one of the following ions in trace concentration, but the ionic strength has…

A: As per Debye-Huckel limiting law, the activity coefficient is related to the ionic strength as: log…

Q: a. A 0.3108-g sample of primary-standard-grade Na2 C2O4 was dissolved in H2SO4 and titrated with…

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Q: Which of the following statements is correct The value of the molar conductance of the aqueous…

A: The molar conductance increases with the dilution taking place by the dissociation of the ions in…

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: Given the reaction:        Fe+2 + Cr2O7 -2  → Fe+3 + Cr+3  How many electon/s was/were involved in…

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Q: A solution of sodium thiosulfate was standardized by dissolving 0.1906 g KIO3 (214.00 g/mol) in…

A: Given :-  Mass of KIO3 = 0.1906 g  Molar mass of KIO3 = 214.00 g/mol  Volume of Sodium thiosulphate…

Q: 17. Potassium hydroxide, KOH reacts with hypochlorous acid, HCIO to produce potassium hypochlorate,…

A: Introduction: Dissoction is the breaking up of a compound into simpler constituents that are usually…

Q: Which of the following salts does NOT cause permanent hardness? A FeCl, B CaCl, © Ca(HCO,), (НСО ,),…

A: The temporary hardness is to the presence of carbonates and bicarbonates of calcium and magnesium in…

Q: What is the pOH of 0.92 M RBCI04?

A: Given : Concentration of RbClO4 = 0.92 M

Q: 4. Write the valence electron configuration and the oxidation states for: a. 38Sr b. 51Sb

A: Electronic configuration of 38Sr is  1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 5s2 so, valance electron…

Q: If 22.29 mL of 0.02901 M EDTA is required to tirate 100.0 mL of spring water, then calculate the…

A: Molarity - ratio of number of moles of solute to the volume of solution in litres. Formula is,…

Q: In a laboratory experiment 50.00 cm3 of a solution originally 0.2 molar in CH3COOH was permitted to…

A:

Q: solvent

A: The name of the comlex is Iron(iii) thiocyanate or Ferric Thiocyanate. It dissolves to give Fe3+ and…

Q: Cerium. 2. Why is it not advisable to dissolve KMnO4 in conc. H₂SO4?

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Q: If an unknown consisted of Co+2, Fe+2, Sr+2, or Ni+2, which cation would completely complex with…

A: Given cations: Co+2, Fe+2, Sr+2 and Ni+2.

Q: How does the presence of Zn2+ affect the Cu2+ retention by soil?

A: The standard reduction potential of Zn2+ and Cu2+ are as follows: Zn2++2e-→Zn…

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: Sodium lauryl sulfate has the same use in embalming fluids as: 1. sodium phosphate 2. citrates 3.…

A: Sodiun lauryl sulfate used in fluid as surfactants.

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: Find the concentration of free Mg21 at pH 9.00 in 0.050 M Na2[Mg(EDTA)].

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Q: A 0.4320 -g sample of pure iron (55.847 g/mol) wire was dissolved in acid, reduced to the +2 state,…

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Q: If the following redox reaction Cd + 2 Ti³+2 Ti²+ + Cd²+ is found to occur spontaneously, identify…

A: The redox reaction is: Cd + 2Ti3+ → 2Ti2+ + Cd2+

Q: What mass of Na2S203 is required to dissolve 10.0 g of AgBr in 1.0 L of solution? (Ksp AgBr = 3.3 x…

A: The ionic reactions that take place when Na2S2O3 is dissolved in AgBr are shown as follows. The net…

Q: How does potassium ferrocyanide K4[Fe(CN)6] prevent any pre-oxidation of the copper(I) ions in…

A: Oxidation : increase in oxidation number.  Reduction : decrease in oxidation number.…

Q: Calculate the masses of Ni(OH)2 that will dissolve in the following solvents Ksp Ni(OH)2 = 6.0x10-16…

A: Part A Let the solubility of Ni (OH)2 in 250 mL of water be ‘s’ Ksp = [S][2S]2 Ksp = 4S3 6 x 10-16…

Q: What is the Calcium ion & Chloride ion activity of a solution containing 0.010 M CaCl2?

A: Given, Concentration of CaCl2 = 0.010 M

Q: alculate the alkalinity of a lake if you know that the concentration of h2cos is 3000 um, hcos…

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Q: Calculate the copper activity in an aqueous 0.12 M CuCl2 solution.

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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: I need the chemical equation for Mn2+ plus NaBiO3 and Mn2+ plus HNO3.

A: The given reactions are the examples of redox reactions. Redox reactions are those chemical…

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: Calculate the pH of a 3.5 x 103 M HNO3 solution. Multiple Cholice 2.46 3.46

A: Dissociation of nitric acid in aqueous solution: HNO3(aq) + H2O(l) → H3O+(aq) + NO3-(aq) Given,…

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: 5 Any Cu* ions present in solution will react with FerroZine in the same way as Fe2+. a. What effect…

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Q: Which of the following species can oxidize both Mn(s) and Cd(s) but not Pb(s)? e° of Cd|Cd²+ = -0.40…

A: As Ni has reduction potential greater than that of Mn and Cd, so it can oxidise both Mn and cd. But…

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…

Analytical Tools

Analytical tools or analysis tools help one to get into a conclusion or results from the data collected. Analytical tools can be applied for simple data sets and also in the case of big data analytics.