3. A 0.1093-g sample of impure Na2CO3 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 27.36 mL to reach the end point. Report the purity of the Na2CO3 sample

Q: To determine the concentration of an EDTA solution, the following zinc(II) solution is prepared:…

A: metallic zinc (m(Zn) = 0.505 g) is dissolved in dilute sulfuric acid, the resulting solution is…

Q: 0.9563 g KHCO3 (M.r.(KHCO3) = 100.12 g/mol (mg/mmol)) have measured, and 50.0 cm3 stock solution…

A: Neutralization reaction is a reaction between acid and base to form salt and water. A monoprotic…

Q: A sample of 5.034 g containing ammonium sulphate was warmed with 50 cm³ of 0.400 M NaOH (excess).…

A: a.) To calculate the mass of ammonium sulfate , we first Calculate total moles of NaOH that are used…

Q: 9. A sodium thiosulfate solution is standardized using pure copper as the primary standard. A sample…

A:

Q: 400 mg of a butter sample was heated and some water was added. After shaking and filtration 10 ml…

A: Mass percent of NaCl can be calculated as given below.

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

A: Given data,Mass of sample=1.250gMolarity of HCl=0.1050MVolume of HCl=50.0mL=0.050LMolarity of…

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: 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: 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 10.00 mL sample of Y(OH)2 was titrated to the stoichiometric point with 14.50 mL of 0.2345 M H2X.…

A:

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: Na2CO3 + 2AgNO3 →→ Ag2CO3 + 2NaNO3  Reaction of KSCN with excess AgNO3: AgNO3…

Q: analysis

A:

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

A: Given: The molar mass of N (nitrogen) is 14.07 g/mol. For cereal: The amount of cereal consumed is…

Q: Excess solid Ni(OH)2 was added to water and the resulting solution was allowed to stand for several…

A: Given: The volume of HCl (hydrochloric acid) solution = 5.98 mL = 0.00598 L The molarity of HCl…

Q: 1) In the standardization of a sodium hydroxide (NaOH) solution, 1.0211g of potassium biphthalate…

A: Primary Standard - It is a solution which is accurate and does not need to be calibrated for further…

Q: A 10.00 mL sample of Y(OH)2 was titrated to the stoichiometric point with 14.50 mL of 0.2345 M H2X.…

A: Given: The molarity of H2X =  0.2345 M. The volume of  Y(OH)2 = 10.00 mL. The volume of  H2X = 14.50…

Q: The thiourea in a 1.455 g sample of organic material was extracted into a dilute sulfuric acid…

A: In chemistry, there are many ways to check the deviation of experimental data from the accurate…

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: A 0.1504-g sample of impure Na₂CO₃ (106.00g/mol) was analyzed via Volhard method. After adding 50.0…

A: Here we are required to find the purity of Na2CO3.

Q: A 0.4140-g sample of impure Na2CO3 (FW 105.99) was analyzed by the Volhard method. After adding…

A: Given that -  Mass of impure Na2CO3 = 0.4140 g  Formula weight of Na2CO3 = 105.99  Volume of AgNO3 =…

Q: 3. Indirect analysis. A 0.6200-g sample that contains NaCl, NaBr, and impurities gives a precipitate…

A: Solution  -

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

A:

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

A:

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

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

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

A:

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

A:

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

A:

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: Shana, a student in the Analytical Chemistry class, performed a Redox Titration to determine the…

A: First of all calculate the moles of KIO3 prepared- n: moles of KIO3. m: given mass of KIO3. M:…

Q: You collected the following data from a titration experiment using a 0.129M standardized NaOH…

A: Please have a look on the solution:

Q: A sample weighing 0.6760 g that contains an unknown amount of BaCl₂ was completely dissolved in…

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: A 0.1093-g sample of impure Na2CO3( Molecular weight 106) was analyzed by the Volhard method. After…

A: Given: 1) The reaction taking place: Na2CO3 + 2AgNO3 → Ag2CO3 + 2NaNO3  2) The reaction of KSCN with…

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: Show complete solution. Round-off your answers to four decimal places The amount of copper in a…

A:

Q: The ethyl acetate concentration in a alcoholic solution was determined by diluting a 10.00 mL sample…

A:

Q: has a sample that weighed 0.03 g of NaCl and dissolved it in 250.00 mL, he is going to titrate it…

A: Data:- MM NaCl: 58.4 g/mol- MM AgNO3: 169.87 g/mol- MM AgCl: 143.32 g/mol Volume of NaCL =250 ml…

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

A:

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

A: Kjeldahl analysis

Q: To determine the concentration of an EDTA solution, the following zinc(II) solution is prepared:…

A: metallic zinc (m(Zn) = 0.301 g) is dissolved in dilute sulfuric acid, the resulting solution is…

Q: The tetraethyl lead, Pb(C2H5)4 in a 25.00 mL sample of gasoline was shaken with 15.00 mL of  0.02095…

A: Solution: From the consumed moles of I2 we can calculate moles of tetraethyl lead from that we can…

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

A: As per our guidelines, we are supposed to answer only one question. Kindly repost the other question…

Q: We complete 10 cm3 to a volume of 0.1 M KBr solution to 30 cm3 and titrate it with 0.05 M Ag+. what…

A: The Ksp of AgBr is 3.3×10-13. The molar solubility of Br- can be calculated as: AgBr⇌Ag++Br-…

Q: Standardization of a KSCN solution against 0.3341-g of primary standard AGNO, required 21.55-mL…

A:

Q: The Zn in a 0.8872-g sample of foot powder was titrated with 24.24 mL of 0.01842 M EDTA. Calculate…

A: Given data: The volume of EDTA=24.24 mL=0.02424 L. The molarity of EDTA=0.01842 M = 0.01842 mol/L.…

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…

Q: 25.00 mL of 0.041 32 M Hg2(NO3)2 were titrated with 0.057 89 M KIO3. Hg₂+ + 2103 →→ Hg₂(103)2(S)…

A: