A 400 mg sample of a 600 mg tablet is dissolved in 60 mL of 0.3 M H2SO4 and combined with 2 g of solid KI and 50.00 mL of 0.0132 M standard KIO3. The sample is then titrated with 5.32 mL of 0.0712 M standard thiosulfate.  Calculate the milligrams of vitamin C (176.12 g/mol) in the original tablet

Q: A mixture containing only KCl and NaBr is analyzed by the Mohr method. A 0.3172-g sample is…

A: Concentration: It is the ratio of number of moles of solute dissolved in per litre of solution.

Q: A mixture containing KCl and NaBr was analyzed by Mohr's method. A mass of 0.31011 g of the mixture…

A: Answer: This question is based on stoichiometric calculation where we have to equation the moles of…

Q: A solution containing KCI (74.551 g/mol) is analyzed by the Mohr Method. A 0.8312-g sample is…

A: The volume of AgNO3 required by the sample is 27.99 mL The volume of titrant required to reach 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: At equvalence Point↓No. of gram equivalent of Acid = No. of gram                   Eqivalent of…

Q: A solution of HCl is prepared by an unknown dilution of concentrated HCl. It is standardized by…

A: #1: Three different samples of the unknown HCl solution are prepared and titrated using Na2CO3(s) as…

Q: A commercial vinegar was analyzed by titration to determine the percent acetic acid. Briefly, 10.00…

A: A commercial vinegar was analyzed by titration to determine the percent acetic acid.  For this…

Q: A 2.00 mL sample of serum is analyzed for protein by the modified Kjeldahl method. The sample is…

A: Given, mass of sample of serum = 2.00 mL Volume of HCl = 15.0 mL Acid consumed = 33.3 mL Mass of…

Q: Rashid has performed titrimetric analysis of antacid tablets which solely contain aluminum hydroxide…

A: Since you have asked a question with multiple subparts, we will answer first 3 subparts for you. In…

Q: A 0.6560 g mixture of KCN (MW=65.116 g/mol) and NaCN (MW=49.005 g/mol) was dissolved in water. AgNO3…

A: Given,Weight of sample mixture = 0.6560 gWeight of dried precipitate = 1.505 gRequired,…

Q: 1. A sample of pure sodium oxalate, Na,C2O4 , weighing 0.2856 g is dissolved in water, sulfuric acid…

A: This question is titration based question from redox chemistry where we will apply the concept of…

Q: A 0.411 g sample of potassium hydrogen phthalate, KHC8H4O4 (molar mass = 204.22g/mol), is dissolved…

A: Calculation of moles for KHC8H4O4:

Q: A 2.187 g sample of a solid mixture containing only potassium carbonate (MM = 138.2058 g/mol) and…

A: Given,M. M. of potassium carbonate = 138.2058 g/mol M.M. of potassium bicarbonate=100.1154…

Q: A 10.00 ml sample containing 6.0000 g/L of a mixture of KCI (74.5 g/mol) and NaCl (58.5 g/mol) was…

A: Given: Volume of sample = 10.00 mL And density of sample = 6.0000 g/L.

Q: The calcium in a 5.00-mL serum sample is precipitated as CaC2O4 with ammonium oxalate. The filtered…

A: Number of moles of KMnO4 , n n = Molarity x volume in L   = 0.00100 F x 4.94 mL x10-3L/ml  =…

Q: 4. A 0.1036-g sample containing only BaCl2 and NaCl is dissolved in 50 mL of distilled water.…

A: Given, Mass of sample = 0.1036 g Volume of water = 50 mL Concentration of AgNO3 solution = 0.07916 M…

Q: A 2.139 g sample of a solid mixture containing only potassium carbonate (MM=138.2058 g/mol) and…

A: Given : Mass of sample is 2.139 g              M. M. of potassium carbonate is 138.2058 g/mol…

Q: (3)) To adjust a NaOH solution, 0.1128 g H2C2O4 2H20 is weighed and dissolved in 25.0 mL of…

A: The given mass of oxalic acid dihydrate is 0.1128 g. The molar mass of oxalic acid dihydrate is…

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

A: Neutralization :- The reaction of an acid with a base to form salt and water is known as…

Q: A 10.00 mL aliquot of vinegar (acetic acid, CH3COOH - 60.08 g/mol) was diluted in a 100.00 mL…

A: Given that,  Volume of aliquot of vineger = 10.0 mL Volume of diluted aliquot of vineger = 100 mL…

Q: The protein in a 0.2976 -g sample of cheese is determined by the Kjeldahl method. The sample is…

A: Given that -  Mass of the sample = 0.2976 g  HCl Molarity = 0.09756 M  Also normality of HCl same as…

Q: A solution containing KCl (74.551 g/mol) is analyzed by the Mohr method. A 0.5863 g sample is…

A: Solutions                                 Given that A solution containing KCl (74.551 g/mol) is…

Q: You have performed an iodimetric titration using a commercial vitamin C tablet. Based on the…

A:

Q: A sample weighing 10.91 g containing an unknown amount of H3PO4 was diluted with water and titrated…

A: A question based on mole concept that is to be accomplished.

Q: A 0.8729 g sample containing an unknown amount of Pb was dissolved in concentrated HNO3 and diluted…

A: Given that,  Amount of unknown sample of Pb, w = 0.8729g Amount of product Pb(IO3)2 ,  = 0.1278g…

Q: A mass of 3.3214 g of sodium bicarbonate was dissolved and diluted to 250.00 ml of aqueous solution.…

A:

Q: A student weighs a sample of potassium hydrogen phthalate (KHP) to prepare a primary standard for a…

A: Given data,                 Mass of mixture = 4.678 g             Volume of solution = 100 mL…

Q: A phosphate buffer solution (25.00 mL sample) used for a growth medium was titrated with 0.1000 M…

A: The balanced reaction is written as follows:HCl + Na2HPO4 → NaCl + NaH2PO4The relation between…

Q: To standardize a solution of NaOH, a student measured 0.326 g of potassium hydrogen phthalate…

A: The balanced chemical equation for the reaction between NaOH and KHC8H4O4 is: NaOH + KHC8H4O4 →…

Q: mL of a bleach (NaOCl) sample is diluted to 500 mL. An excessive amount of KI is added to the 20 mL…

A: We add excess  potassium iodide to  hypochlorite sample. oxidation reduction reaction takes place…

Q: Potassium hydrogen phthalate (KHPKHP) is often used as a primary standard in acid–base titrations.…

A:

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