Iodometric titration of Vitamin C with sodium thiosulfate How many moles of iodine (I2) react with the thiosulfate?  (reacts in a 1:2 ratio) 5.66 x 10-4 M of sodium thiosulfate used in titration 0.62 g in 0.01 M in 250 mL conical flask 0.00075 M of iodine in the conical flask  0.00025 M of potassium iodate

Q: A student weighs out 0.9854 g of Na2CO3 unknown and dissolves it in 25.00 mL of deionized water. A…

A: Answer % of Na2CO3 in the unknown = 54.05% Formulas No.of moles                           = Given…

Q: A NaOH solution of unknown concentration is titrated with 0.250 M HCl. 20.53 mL of the titrant is…

A: 1. Concentration of NaOH Solution To find the concentration of the NaOH solution, we use the…

Q: You analyze the Free SO2 level for the red wine using the Aeration Oxidation or Aspiration Method.…

A: The question is based on the titration.  We are titrating SO2 with a strong base. We need to…

Q: 55 ml of Na2CO3 solution was titrated with 1.2 M of HCl according to the following reaction Na2CO3 +…

A: According to the question, sodium carbonate (Na2CO3) reacts with hydrochloric acid (HCl) as per the…

Q: Titration of 0.2342 g of pure Na,C,O, (134.0 g/mol) required 33.45 ml of KMNO, solution according to…

A: We have to calculate the Molarity of KMno4 solution

Q: Titration of 0.2342 g of pure Na,C,0, (134.0 g/mol) required 13.45 ml of KMNO, solution according to…

A: 1- Calculate the moles of C2O42- ion :  moles = [ mass / Molar mass ]  moles = [ 0.2342mol /…

Q: Starting with 2.0 g of hand sanitizer in 10 mL of methanol (density of methanol = 0.791 g/mL), the…

A: Given that

Q: A 24.8mL sample of vegetable juice is titrated with 15.65mL of NaOH solution. The molar…

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

Q: Titration of 0.2342 g of pure Na,C,O, (134.0 g/mol) required 13.45 ml of KMNO, solution according to…

A: 1- First calculate the moles of C2O42- ion :  moles = [ mass / molar mass ]  moles = [ 0.2342g /…

Q: A 50.0 mL solution of Ca(OH)₂ with an unknown concentration was titrated with 0.340 M HNO₃. To reach…

A: Calcium hydroxide reacts with nitric acid to form calcium nitrate. This reaction is an example of a…

Q: According to the reaction below: if 28.31 mL of KOH with an unknown concentration were titrated…

A: Potassium hydroxide reacts with sulfuric acid to form potassium sulfate and water. The equation for…

Q: 23 The titration of 25.0 mL of an unknown concentration H2SO4 solution requires 83.6 mL of 0.12 M…

A: The titration of 25.0 mL of an unknown concentration sulfuric acid solution requires 83.6 mL of 0.12…

Q: In the KMNO4 titration, the permanganate went from a +7 oxidation state to a +2 state. The FeCl2…

A:

Q: A certain local brand of “healthy” chicharon was found to contain 0.4132 g of NaCl after Fajan…

A: Given :  Mass of NaCl = 0.4132 gm  Molar mass of NaCl = 58.44 g/mol  Molar mass of Na+ = 22.99 g/mol…

Q: 6.2 ml of 0.34 M Ba(OH)2 was titrated with 30.0 ml of HCI, what is the concentration of HCI ? 2HCI +…

A: The given data contains, Volume of Ba(OH)2 V1=6.2 mlMolarity of Ba(OH)2 M1=0.34 MVolume of HCl V2=30…

Q: An unknown volume of 2.50 M H,SO, was diluted to 50 mL using water The diluted solution was titrated…

A: Given: Molarity of concentrated H2SO4 solution = 2.50 M Volume of diluted H2SO4 solution = 50 mL…

Q: A solution of 0.240 M KOH is used to titrate 10.0 mL of a 0.184 M H3PO4 solution. What volume, in…

A: Since you have posted multiple questions, we are entitled to answer the first only.

Q: Titration of 0.2342 g of pure Na,C,0, (134.0 g/mol) required 33.45 ml of KMNO, solution according to…

A: Given :- mass of Na2C2O4 = 0.2342 g   Molar mass of Na2C2O4 = 134.0 g/mol   Volume of KMnO4 solution…

Q: What is the silver ion concentration in a solution prepared by mixing 413 mL 0.370 M silver nitrate…

A: When silver nitrate is mixed with sodium phosphate silver phosphate gets precipitated. The equation…

Q: What is the nickel ion concentration in a solution prepared by mixing 419 mL of 0.421 M nickel…

A: 419 mL of 0.421 M nickel nitrate is mixed with 457 mL of 0.207 M sodium hydroxide. The Ksp of…

Q: 19. During standardization, 1.034 g of Na₂CO3 (106.00g/mol) used 42.31 mL of sulfuric acid to reach…

A: Thankyou for submitting excellent questions. Since you have posted multiple questions, we will be…

Q: Titration of 0.2342 g of pure Na,C,0, (134.0 g/mol) required 33.45 ml of KMNO, solution according to…

A:

Q: Given: NaX, Ksp = 8 x 10-5 NaY, Ksp = 7 x 10-12 NaA, Ksp = 6 x 10-7 NaB, Ksp = 5 x 10-⁹ The most…

A: Low Ksp =  less soluble (precipitate out first)    High Ksp = more soluble   When we add a…

Q: The titration of 86.9 mL of an unknown concentration H3PO4 solution requires 94.6 mL of 0.086 M KOH…

A: Volume of H3PO4 = 86.9 ml ...Or  because 1L = 1000 ml    ...so, = 86.9 ml × (1L / 1000 ml )  =…

Q: In a titration 36.7 mL of HBr solution is put In a flask with a few drops of phenolphthalein and…

A: Given: The volume of HBr is 36.7 mL. The volume of Sr(OH)2 is 51.4 mL. The molarity of Sr(OH)2 is…

Q: Final NaOH Burette Reading 20.72 mL 41.54 mL 21.59 mL Initial NaOH Burette Reading 0.12 mL 20.72 mL…

A:

Q: Iminodiacetic acid (IDA) is often used in ion exchange resins as a way to remove heavy metals from…

A: Solution - ɑA2- = 4.6 × 10-3 Kf =[Ni A22-] /[Ni 2+][ɑ A2-]2 C 2IDAA [Ni A22-] /[Ni 2+] C 2IDAA =…

Q: In a titration, a 9.9 ml solution of 0.25N HCI is neutralized with 53.7 ml of NAOH. What is the…

A:

Q: According to the reaction below: if 35.48 mL of H2SO4 with an unknown concentration were titrated…

A: Given neutralisation reaction; H2SO4 +2KOH  → 2H2O + K2SO4 Volume of H2SO4 solution titrated against…

Q: What mass of AgCI is precipitated from the reaction of 25.0 mL of 0.100M AgNO3 and excess KCI

A: The objective of this question is to find out the mass of AgCl that is precipitated from the…

Q: A 50.0 mL solution of Ca(OH)₂ with an unknown concentration was titrated with 0.340 M HNO₃. To reach…

A: The reaction of HNO3 and Ca(OH)2 is, In the given reaction moles ratio between HNO3 and Ca(OH)2 is…

Q: 20.0 mL of NaOH are needed to neutralize 4.0 mL of 0.40 mol/L H₂SO4 solution. The molar…

A: Note : Since you have posted multiple questions, we are entitled to answer the first only. Please…

Q: Direct titration: 10.90 ± 0.02 mL of an unknown KHP solution required 11.72 ± 0.02 mL of 0.1090 ±…

A: To calculate the concentration of KHP in the unknown solution reported with absolute uncertainty.

Q: Y Part A As a technician in a large pharmaceutical research firm, you need to produce 450. mL of…

A: part A: 450. ml of 1.00 M potassium phosphate buffer = 0.450 L * 1.00 mole / L = 0.450 mole  Let…

Q: 2 Match the following acid-base titration plots with the correct titrant and sample. Vo=20.00 mL (1)…

A: The question is based on the concept of titrations. We need to identify the nature of acid and base…

Q: When a 20.5 mL sample of a 0.372 M aqueous nitrous acid solution is titrated with a 0.483 M aqueous…

A: Given,Molarity of nitrous acid = 0.372 MVolume of nitrous acid = 20.5 mLMolarity of sodium hydroxide…

Q: Calculations   Titration 1 Titration 2 Titration 3 Moles of KHP       Moles of NaOH…

A:

Q: 25 mL of a solution of barium hydroxide on titration with 0.1 molar solution of hydrochloric acid…

A: Barium hydroxide reacts with hydrochloric acid, to form barium chloride and water. The equation for…

Precipitation Titration

Precipitation analysis is used to analyze drugs, and to measure the salt content in food and beverages. It is an important concept from the examination point of view many practical questions are asked on the topic. This topic is significant in the professional exams for both undergraduate and graduate courses, especially for