Procedure 1: Detection of Oxidizing and Reducing Anions  (Carbonate solution or original unknown solution) 2. In a test tube mix 1 drop of 0.1MFeCl3 ,1 drop of freshly prepared 0.1 M K3[Fe(CN)6], and 2 drops of 6M HC1. Dilute this reagent mixture to 0.5 ml. Add 1 drop of unknown solution. What color change indicates the presence of reducing anions? ____________

Q: juilibrium concentrations and K. [Fe*Jeq, M Solution [SCN Joq, M [FESCNI, M Ko 0.0010 0.0010 0.00021…

A: Since you have not mentioned the reaction, I'm taking the general complex formation reaction as per…

Q: In a potentiometric titration, at the equivalence point of 10 mL of 0.100 M Iron (II) in 0.500 M…

A: Equilibrium Constant for the Reaction = 3.162 x 1062

Q: A saturated AgCl solution was analyzed and found to contain 1.25 x 10 ° M Ag* ions. Use this value…

A:

Q: 6) Calculate the molar solubility of solid Fe(OH)3 (Ksp = 1.3 x 10-32) in each of the following. a.…

A: This question is answered by using the simple concept of calculation of molar solubility in the…

Q: Plot the titration curve for titration of 50mL of 0.0150M Fe2+ solution buffered to pH's 7.0 with…

A: The question is based on the concept of complexometric titrations. We have  to calculate pFe at…

Q: What mass of [Co(NH3)5ONO]2+ will you need to create 0.0100 M of 100 mL solution using 0.0100 M…

A:

Q: A buffer solution containing 0.457 M NH3 and 0.158 M NH4+ is being used in the lab. What is the pH…

A:

Q: Volhard method. A total of 50.00 ml of 0.1048M AgNO3 is added to the sample and 15.38 ml of 0.3116 M…

A: Given that -  Mass of Chloride containing sample = 10.6 gram  Volume of AgNO3 = 50.00 mL…

Q: The Ksp of Fe3(PO4)2 is 2.22⋅10^−25 M. Calculate the solubility of each ion in a saturated…

A: Ksp is the solubility product constant of any solid dissolving in aqueous solution. It represents…

Q: R ter shift We will begin the anion analysis with a known solution containing I-, Cl-, and SO42-.…

A:

Q: 3. Which of the following is a good buffer system? a. A solution that is 0.10 M NaCl and 0.10 M HCl…

A: Acidic Buffer solution definition: buffer solution is an aqueous solution consisting of a mixture of…

Q: 15. You are asked to determine the ethanoic acid, CH3COOH content in a vinegar sample. Give an…

A: Answer-15 Ethanoic acid or acetic acid is a weak organic acid with the chemical formula of CH3COOH…

Q: tổ cal ate the In the sample. 6. Calculate the molarity of a stock ammonia solution that has a mass…

A: Given.  Ammonia Solution  Specific gravity = 0.90 g/mL  (w/W)% = 28.0 %  Molarity of Solution = To…

Q: Create a flow chat on Group 1Cation: Ag +, Pb2+, Hg22+ Ions 1. HCl is added to a unknown solution…

A: To analyse Group I cations: Ag +, Pb2+, Hg22+ Since all these ions form insoluble chlorides, their…

Q: Calculate the molar solubility of Ag2CO3 in a solution of 0.015 M Na2CO3. The solution is aqueous at…

A:

Q: 3. How many grams of Na,HPO, must be added to a solution of 500 mL of 0.25 M NaH,PO, in prder to…

A:

Q: What is the concentration of Fe3+ in a solution prepared by adding 5.0 mL of 0.00185M Fe3+ to a test…

A: The formula for dilution is C1V1=C2V2 where C1: initial concentrationC2: final concentration after…

Q: H2 is produced by the reaction of 115.4 mL of a 0.6327 M solution of H3PO4according to…

A: The given balanced chemical equation is 2Cr + 2H3PO4 → 3H2 +2CrPO4

Q: .Find out value of concentration of Ag+..?Given a solution 278.0 mg of AgBr is completely wasted in…

A: Given: Mass of AgBr added = 278 mg = 0.278 g.                              (Since 1 g = 1000 mg)…

Q: answer last 2 Questions those I put tick marks

A: Equilibrium shift: When any other physical or chemical change is produce in reaction either…

Q: SOLVE mathematically, then choose the correct answers: Calculate the pH of solution made by…

A:

Q: Which of the following compounds precipitates from a solution that has the concentrations indicated!…

A: Given data :

Q: What is the concentration of S2− in equilibrium with MnS(s) (Ksp=4.6×10−14)MnS(s)  and 0.099 M Mn2+?

A: The solubility product is defined as the product of the concentration of the ions in the salt in the…

Q: Questions 6 through 9 refer to the following situation: A solid sample containing some Fe2+ ion…

A:

Q: System #12: 0.10 Miron (III) chloride (source of Fe(H20),* complex) 3+ [FeCH20)6]* Kb of FelH20)s…

A: Given that : The concentration of [Fe(H2O)6]3+ = 0.10 M The reaction of [Fe(H2O)6]3+ with water is…

Q: Should the equivalent of 0.01 M AgBr [Ksp=5*10^-13] dissolve in 6 M NH3 [Kf for…

A:

Q: consider the following Ksp values: -gCN = 2.2 x 10-16 AglO3 = 3.1 x 10-8 AGSCN = 1.1 x 10-12 Agl =…

A:

Q: 62 a b d e Consider the titration of 50.0 mL of 0.303 M weak base B (Kb = 7.5 x 10-6) with 0.340 M…

A:

Q: 1) The 1.628 g stibnite sample containing antimony is dissolved in water to a volume of 250 mL. To…

A: Let mass of Sb2S3 in the sample be = x gm Valency factor of Sb2S3 = 6 [ L.C.M of charge on cation…

Q: Which of the following anions will separate barium ions from calcium ions most effectively by…

A: Precipitation reactions are those reaction in which a highly insoluble salt is formed as the…

Q: 2. A carbonate buffer of pH 10 is needed by a chemist. How many grams of Na,CO, is needed to…

A:

Q: The overall formation constant for Fe(CN)6³- is 1.0x104². K₁= [Fe(CN)6³-] [Fe³+][CN 16 -=1.0×104² 3-…

A: Given :  Kf = 1.0 x 1042  [Fe+3] = 0.15 M  [CN-] = 1.20 M

Q: Balance the reaction in acid and base medium using half reaction method 1. Cu + HNO3 — Cu^+2 + NO

A: "Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: None

A: Step 1 Step 2 Step 3 Step 4

Q: ml of a solution containing an 30.00 unknown amount of I ( iodide) was treated with 50 ml of 0.3650M…

A: Given :           Volume of solution = 30.0 mL =0.03 L          50 ml of 0.3650 M AgNO3 = 0.050 L…

Q: How many miles of CaF2 will dissolve in 3.0 liters of 0.061 M NaF solution? (Ksp for CaF2 = 4.0 x…

A:

Q: If a solution of 0.30 M Mn2 and 0.30 M Cd² is gradually made basic, what will the concentration of…

A: Answer: For a sparingly soluble compound, at the saturation point, reaction quotient becomes equal…

Q: For the aqueous [Cu(NH₂)]* complex K, -2.09 x 10¹ at 25 °C. Suppose equal volumes of 0.0060 M…

A: We have to calculate the molarity of Cu2+ ion

Q: . NaI + Cl H2O + n hexane ------- _____________  bownish solution with dark violet layer on top…

A: It is a single displacement reaction. When NaI reacts with Chlorine, chlorine displaces iodine and…

Q: 4. How many mL of 2.0M boric acid solution must be added to 600ML of a 0.01M sodium borate in order…

A: 4. Given,  Concentration of Boric acid = 2.0 M  pH = 9.45  pKa of H3BO3 = 9.24  Concentration of…

Q: Question 7 of 20 Submit What is the pH of a buffer made from 0.350 mol of HBRO (Ka = 2.5 x 10-º) and…

A:

Q: 2,5 ml volume has taken from an “hypothetic” solution which includes (3+) Sb and (3+) Fe and at the…

A: Fe3+ ion is stable to KMnO4 solution so, only Sb3+ ion undergoes oxidation to Sb5+ ion. The chemical…

Q: [4 B Please calculate the molar solubility of Sn(OH)4 when dissolved in a pH =9.12 solution, if the…

A: Given:: pH=9.12  Ksp of Sn(OH)4 = 1.0×10-57  Molar solubility of Sn(OH)4 = ?

Q: 28. A) What is the pH of a buffer of 0.60M NH3 and 0.40M NH4Cl? Kb for NH3 is 1.8 x 10– 5. B) What…

A: pH of buffer solution is calculated by using Henderson Hassel balch equation

Q: the reference sheets for all equilibrium constant values needed. 1. Which of the following salts has…

A:

Q: Redox Titration Curve Consider the titration of 100.00 mL of 0.0100 M Ce4+ in 1.00 M HClO4 by…

A: Oxidation reaction is a reaction in which oxidation state of element is increased or there is loss…