A 0.4140-g sample of impure Na2CO3 (FW 105.99) was analyzed by the Volhard method. After adding 50.00 mL of 0.06911 M AgNO3, the sample was back titrated with 0.05781 M KSCN, requiring 21.33 mL to reach the end point. What is the % purity of the Na2CO3sample?

Q: 3. A 0.1093-g sample of impure Na2CO3 was analyzed by the Volhard method. After adding 50.00 mL of…

A: Given , mass of impure Na2CO3=0.1093 gVolume of AgNO3= 50.00 mLConcentration of AgNO3=0.06911…

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A: Solution: Given: Mass of the sample containing phosphorus = 0.1387 gMolarity of NaOH solution =…

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A: The volume of AgNO3 required by the sample is 27.99 mL The volume of titrant required to reach the…

Q: The Cl- concentration in a brinë sample is analyzed by the Volhard method. For this purpose, 60 mL…

A:

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

A: Calculate the initial number of moles of iodine. n = C × VnI2 = CI2 × VI2nI2 = 0.02179 M × 0.015…

Q: What is the concentration of the undiluted chloride solution? Round off to three (3) significant…

A: Given that -  Mass of sample containing chlorides ions = 400 g  Molar weight of chloride ion = 35.45…

Q: Calculate the purity of the Na2CO3 sample.

A: Solution: In Volhard's method we titrate excess of Ag+ ions with SCN- ion with ferric (Fe+3) ion as…

Q: A solution containing chloride ion was analyzed by the Volhard method. A 50.00 mL sample containing…

A: Given, MAgNO3 = 0.2500 M VKSCN = 25.00 mL = 0.025 L MKCN = 0.2380 M VKSCN = 10.67 mL = 0.01067 L

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Q: A 30 ml solution of I- was treated with 50 ml of 0.365 M AgNO3. The resulting AgI precipitate was…

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Q: In order to adjust the Potassium Permanganate solution, 0.0544g Na2C2O4 was taken and necessary…

A: 2 moles of potassium permanganate reacts with 5 moles of oxalate.

Q: 2.4414 g sample containing KCl, K2SO4 and inert materials was dissolved in sufficient water to give…

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A: Answer is given below

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Q: For breakfast, the nihilistic Rick Sanchez ate 100 g of cereal mixed with 20 g of milk. A 1.500 g…

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Q: 2.4414 g sample containing KCl, K2SO4and inert materials was dissolved in sufficient water to give…

A: Given: Mass of sample = 2.4414 g. This sample contains KCl, K2SO4 and inert materials. The volume of…

Q: 1. A 1.000 g sample.containing Na,C,0, (MM=134 mg/mmol) is titrated with 40.00 mL of 0.0200 M KMNO,…

A: Given,

Q: Potassium permanganate solutions may be standardized by titrating against primary standard sodium…

A: Mass of Na2C2O4 = 0.2168g  Molar mass of Na2C2O4 = 134g/mol  Moles of Na2C2O4 = 0.2168g÷134g/mol =…

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

A: The question is based on the concept of quantitative analysis. we have to quantitatively estimate…

Q: A 1.7483-g sample containing Al(NO3)3, AlCl3, and inert material was dissolved in acid and divided…

A:

Q: 2.4414 g sample containing KCl, K2SO4and inert materials was dissolved in sufficient water to give…

A: Mohr method is the method to determine the chloride ion concentration of a solution. This is done by…

Q: arsenic in a 1.010 g sample of pesticide was converted to H3ASO4 by appropriate means. The acid…

A:

Q: A mixture containing only KCl (74.55 g/mol) & NaBr (102.89 g/mol) was analyzed by the Mohr method. A…

A: Chloride ion concentration of an unknown sample can be calculated using Mohr method.  In Mohr…

Q: A 0.4435-g sample of impure Na2CO3 (FW 105.99) was analyzed by the Volhard method. After adding…

A:

Q: A 10.00-mL solution containing Cl2 was treated with excess AgNO3 to precipitate 0.436 8 g of AgCl…

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Q: An analysis for borohydride ion is based on its reaction with Ag+:  BH4- + 8Ag+ + 8OH--> H2BO3- +…

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Q: A 0.5131-g sample containing KBr is dissolved in 50 mL of distilled water. Titrating with 0.04525 M…

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Q: The standardization of a KSCN solution against 0.3341 g of primary standard grade AgNO3 (M.M.…

A: standardization of KSCN  by AgNO3 an aliqout of the sample of KSCN is taken and titrated against…

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

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Q: A sample of primary standard grade K2Cr2O7 (MM = 294.20) weighing 0.2153 g is dissolved, the…

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Q: A 0.1093-g sample of impure Na2CO3 was analyzed by the Volhard Method. After adding 50.00 mL of…

A: Reaction taking place is, Reaction of KSCN with excess AgNO3 is,

Q: 0.7050-g of pure KHP (FW = 204.2) was dissolved and titrated with 35.00mL of NaOH solution. The…

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Q: 0.753-g sample of a chlorocarbon compound was analyzed by burning it in oxygen and collecting the…

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

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Q: A mixture containing iodide is analyzed by the Volhard method. 0.6712 g of the sample is reacted…

A: mass of the sample = 0.6712 g Concentration of AgNO3=0.05619 M Volume of AgNO3=50.00mL Concentration…

Q: 1.250 g sample of cheese was subjected to a Kjeldahl analysis to determine the amount of protein.…

A: Mass of sample = 1.250 gm  Molarity of HCl = 0.1050 M  Volume of HCl = 50 ml  Molarity of NaOH =…

Q: 0.7050-g of pure KHP (FW = 204.2) was dissolved and titrated with 35.00mL of NaOH solution. The…

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Q: Calculate the sulfur concentration in parts per million.

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Q: For breakfast, the nihilistic Rick Sanchez ate 100 g of cereal mixed with 20 g of milk. A 1.500 g…

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Q: If 0.3800g of KIIO3 (214.00 g/mol) was used to liberate free iodine which was then titrated with…

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Q: A 1.250 g sample of cheese was subjected to a Kjeldahl analysis to determine the amount of protein.…

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Q: 4. A 0.5843-g sample of a plant food preparation was analyzed for its N content by the Kjeldahl…

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Q: A two-liter sample of mineral water was evaporated to a small volume, following which the potassium…

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Q: 3. A 4.326 g sample containing ethyl mercaptan (C₂H_SH) was treated with 50.00 mL of 0.1287 M 1₂ in…

A: The number of moles of a substance is given as the mass of the substance upon its molar mass. The…

Q: A 0.5131-g sample containing KBr is dissolved in 50 mL of distilled water. Titrating with 0.04473 M…

A: The mass of sample containing KBr dissolved in 50 mL of distilled water is 0.5131 g. The volume of…