Suppose in an experiment to determine the amount of sodium hypochlorite in bleach, 0.0000519 mol KIO30.0000519 mol KIOX3 were titrated with an unknown solution of Na2S2O3NaX2SX2OX3 and the endpoint was reached after 17.80 mL17.80 mL.  How many moles of Na2S2O3NaX2SX2OX3 did this require?

Q: Molarity of Na2S2O3 (stock solution).    0.100 M Volume of diluted bleach titrated (taken from the…

A: Density of commercial bleach solution = 1.08 g/mL

Q: Titration of a 0.7513-g sample of impure NazB,07 required 30.79 mL of 0.1129 M HCI. B40,2+ 2H3O*…

A:

Q: In preparing solution with 5.0 mL 2.00 x 10-3 M Fe(NO3)3 in 0.50 M HNO3 + 2.0 mL 2.00 x 10-3 M HSCN…

A: Given data,

Q: A blank titration requires 0.65 mL to reach the same end point. Report the %w/w KBr in the sample.

A: The reaction will be: KBr(aq) + AgNO₃(aq) → KNO₃(aq) + AgBr(s) From the reaction- 1 mole of KBr…

Q: A 300.0-mg sample containing H3PO4 and inert material was diluted with water and titrated with…

A: Answer: Since, 2 water molecules are forming as a product, therefore balanced reaction between…

Q: Approximately 6 mL of conc. perchloric acid ( 72% ) was transferred to a bottle and diluted with…

A: Molarity of a solution is defined as the number of moles of solute present in one litre of a…

Q: 73.33.5ml of 0.9998N NaOH was used in the titration of 50m! HCI solution. Calculate the normality. 3

A: In this question, we will determine the normality of HCl.  You can see the details calculation…

Q: A 20.0 mL portion of a 0.300 M solution of hydrochloric acid is to be titrated with a standarized…

A: It is an acid – base titration. The complete neutralization reaction is given below.

Q: was acidified and analyzed using excess iodine ion. Then I−3 is titrated with 0.320M Na2S2O3. If the…

A: The answer to the following question is-

Q: You dissolved .4892 g of potassium dichromate in 100.00ml of distilled water.…

A: Redox titration : In order to determine the strength of a unknown sample (called titrate) some…

Q: A solution containing 25.0 mL of H2C2O4 required 13.78 mL of 0.04162 N KMnO4 for titration forming…

A: Given,  25.0 mL of H2C2O4 required 13.78 mL of 0.04162 N KMnO4 for titration forming Mn2+  and CO2…

Q: What volume of 0.130 M  KMnO4 would be required to titrate 0.36 g  of  K2[Cu(C2O4)2]⋅2H2O

A: We should equal equivalent of both KMnO4 and compund ion to get volume of KMnO4 Equivalent =…

Q: Molarity of Na2S2O3 (stock solution).    0.100 M Volume of diluted bleach titrated (taken from the…

A: Solution: For a given titration reaction the stoichiometric relation plays important role, as from…

Q: A redox titration requires 30.65 mL of iodine solution to titrate a sample containing  25.00 mL of…

A: The balanced redox reaction which takes place between diprotic ascorbic acid i.e C6H8O6 and Iodine…

Q: A solution of 0.254 M KOH is used to titrate 15.5 mL of a 0.194 M H3PO4 solution. What volume, in…

A: Answer: 35.5 mL

Q: The standardization of iodine solution was conducted using 10.0 mL of a standard 1.00 mg/mL ascorbic…

A: Molarity of ascorbic acid can be calculated using its given strength in mg/ml by dividing it with…

Q: . The reaction of sulfuric acid (H2SO4) with potassium hydroxide (KOH) is described by the equation:…

A: From the chemical equation given: H2SO4+2KOH--->K2SO4+2H2O the two reactants, H2SO4 and KOH, are…

Q: An organic acid (HA) in a sample that weighs 0.3996 grams was incorporated in water to form a…

A:

Q: A chemist titrates 30.0 mL of a sample solution containing CI-(aq) ions with a 0.0489 mol/L…

A: The balanced reaction taking place is given as, Given : Concentration of KMnO4 = 0.0489 M Volume of…

Q: A solution of oxalic acid dihydrate (H2C2O4 * 2H2O) with a known concentration of 0.400 M H2C2O4 *…

A:

Q: Calculate the percentage CH3COOH in a sample of vinegar from the following data. Sample = 15.00 g,…

A: Given: The mass of the sample is 15.00 g. The volume of NaOH used for titration against acetic acid…

Q: In an acid base titration lab, a student determined that a NaOH solution was 0.1885 M. The student…

A: Given balanced equation involved in the titration: H2SO4 + 2NaOH → Na2SO4 + 2H2O The molarity of the…

Q: Consider the titrimetric determination of acetic acid (60.05 g/mol) in vinegar. Titration of a 5.00…

A: Given: Concentration of NaOH = 0.250 M And volume of NaOH solution used = 16.15 mL = 0.01615 L…

Q: The Merck Index indicates that 10 mg of guanidine, CH5N3, may be administered for each kilogram of…

A:

Q: 1.876 g of the sample containing H2C2O4requires 38.84 mL of 0.1032 M of NaOH for titration: H2C2O4+…

A: Given that -  Mass of sample containing H2C2O4 = 1.876 g  Volume of NaOH = 38.84 mL  Molarity of…

Q: Mass of NaOCl in commercial bleach titrated. ?

A: Moles help to calculate mass

Q: Consider a solution made by mixing 500.0 mL of 4.0M NH3​ and 500.0mL of 0.40MAgNO3​.Ag+ reacts with…

A: GIVEN 500ml of 4.0M NH3 = 2 moles 500ml of 0.4 AgNO3= 0.2 moles

Q: What is the concentration of CN- (M) in the 50.0 mL sample?

A: Given, The 10 mL initial aliquot has been diluted to 25 mL. The final concentration of CN- in this…

Q: Consider that the determination of potassium iodide (MM-166.00 g/mol) from a food supplement was…

A: Given the mass of the sample containing potassium iodide(KI) taken for analysis = 0.5240 g The…

Q: Compare the 2 quantities based on the given condition. Choose A If quantity in Column 1 is greater B…

A: Fe2+ reacts with Ce4+ and MnO4-. Ce4+ + Fe2+  -->Ce3+ +Fe3+ Ce4+ + e ---> Ce3+ , E° = 1.44V…

Q: percentage of NaCN

A:

Q: A student followed the procedure of this experiment to determine the percent NaOCI in a commercial…

A: “Since you have posted a question with multiple sub-parts, we will solve first Four sub-parts for…

Q: Take a coin weighing 2.585 g, dissolve it in nitric acid and measure it at 250.0mL. A 25.0 mL…

A: A numerical problem based on quantitative analysis, which is to be accomplished.

Q: Titration of the I2 produced from 0.1142 g of primary-standard KIO3 required 27.95 mL of sodium…

A: Given, Mass of primary standard KIO3 0.1142 g Volume of sodium thiosulfate (Na2S2O3) = 27.95 mL =…

Q: What is the cobalt(II) ion concentration in a solution prepared by mixing 357 mL357 mL of 0.396…

A: Answer: This question is based on the application of limiting reagent. Limiting reagent is the…

Q: Moles of OCl– in the diluted bleach titrated. ?

A: Iodine and hypochlorite play role in titration Moles of iodine play role in hypochlorite ions

Q: An excess of potassium iodide is added to a solution of potassium dichromate, and the liberated…

A: K2Cr2O7 is a strong oxidizing agent. It will oxidize the Iodine from Iodide to molecular iodine. The…

Q: A 200 ml buffer solution contains 36.342 μg Tris and 23.376 µg NaCl, respectively. Determine the…

A:

Q: A 0.5264-g sample containing KBr is dissolved in 50 mL distilled water. Titrating with 0.04738 M…

A: The % (w/w) KBr (MM = 119.0) in the sample has to be reported,

Q: 2) Mohr's method uses the potassium chromate (K2CIO:) as indicator and this indicator makes the…

A:

Q: A 492-mg sample containing KH2PO4 (136.09 g/mol) is titrated with 0.112 M NaOH requiring 25.60 mL.…

A: Number of moles of NaOH should be calculated to determine the moles of KH2PO4 . Number of moles =…

Q: A 0.5145-g sample of a water-soluble fertilizer was dissolved and analyzed for nitrogen using the…

A: Given that :- Mass of water soluble fertilizer sample = 0.5145 g Distilled ammonia was collected in…

Q: Suppose in an experiment to determine the amount of sodium hypochlorite in bleach, 0.0000552 mol…

A:

Q: The tetraethyl lead [Pb(C2H5 )4 ] in a 25.00-mL sample of aviation gasoline was shaken with 15.00mL…

A:

Q: A 350 ml phosphate buffer solution contains 0.84 mg NaH2PO4 and 2.48 mg Na2HPO4, respectively.…

A: Given :  Volume of buffer solution = 350 ml  Mass of Na2HPO4 = 2.48 mg  Mass of NaH2PO4 = 0.84 mg…

Q: A 19.56-mL of potassium permanganate solution is required to titrate 25.0 mL of 0.04637 M sodium…

A: Given: 2MnO4-+5H2C2O4+6H+→2Mn2++10CO2+8H2O Volume of MnO4- is 19.56 mL Volume of sodium oxalate is…

Q: 2. A 0.5131-g sample containing KBr is dissolved in 50 mL distilled water. Titrating with 0.04614 M…

A: Given Mass of sample = 0.5131 g Dissolved in 50ml of water M (AgNO3) = 0.04614 Volume = 25.13 ml At…

Q: A 1.200-g sample of a mixture of NaOH (FW 40.00 g/mol) and Nancog (FW 105.99 g/mol) with inert…

A:

Q: 2KMnO4 (aq) +5H2C2O4 (aq) + 3H2SO4 (aq)   >   10CO2 (g) + K2SO4 (aq) +2MnSO4 (aq) + 8H2O (l) 90ml…

A: The balanced reaction taking place is given as, => 2 KMnO4 (aq) + 5 H2C2O4 (aq) + 3 H2SO4 (aq)…

Q: A titration of 50.00 mL of 0.1100 M Fe3+ with 0.07750 M Sn2+ is carried out. The analytical reaction…

A: Equivalance point is the point where all moles of one reactant is neutralized by another compound.…