400 mg of a butter sample was heated and some water was added. After shaking and filtration 10 ml 0.2 M Ag* solution, some HNO3 and a few drops of Fe* solution were added to the filtrate. The excess Ag+ in the filtrate was titrated with 01. M standard SCN solution. If the volume of SCN at the equivalence point was 15 mL, calculate the mass percent of NaCl (FW = 58.5 g/mol) in the butter sample

Q: Consider a flask containing 25.00 mL of 0.100 M sodium benzoate (NaC6H5COO). This is titrated with a…

A: pH of the solution can be calculated using Henderson-Hesselbech equation.

Q: Rei and Akari, two vinegar enthusiasts, are each tasked to determine the acetic acid content of…

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

Q: The arsenic in a 2.345g sample of a pesticide was converted to H 3 AsO4 by suitable treatment. The…

A: Molarity is defined as the number of moles of solute per litre of the solution. It is denoted as M.…

Q: ughly. Ksp AgBr = 5.35×10-13. and Ksp PbBr2 = 6.6×10-6 . The metal cations will precipitate…

A: The question is based on the concept of solubility product Principle.   it states that a weak…

Q: 16. 0.20-M Mn2* and 0.010-M Cd? are mixed in a test tube. If NaOH is gradually added into the test…

A: Ksp is the multiplication of solubility of corresponding ions with their appropriate powers. Here…

Q: solution. Acetic acid is a weak acid with K,-1.8 x 105. What mass of A chemistry graduate student is…

A:

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: A solution containing 0.0020 M each of Ca^2+, Ba^2+ and Pb^2+ (Ksp for calcium phosphate, barium…

A: The above question is an example of selective precipitation in which precipitation of ions takes…

Q: 3. Suggest a precipitation method for separation of K* from Na+ and Lit.

A: ANSWER: There is a method for the separation of K+ ions from the Na+ and Li+ ions by precipitation…

Q: Addition of an excess silver nitrate to a 0.5012 g sample yielded a mixture of AgCl and Agl that…

A: Excess silver nitrate was added to a mixture containing NH4I and NH4Cl.…

Q: The tartaric acid, H2C4H406 (150.087 g/mol ) concentration in 100.0 mL wine sample was determined…

A: Tartaric acid is a white, crystalline organic acid that occurs naturally in many fruits ,like grapes…

Q: Calculate pI, when during titration of 10 ml of 0,05000 mol/l potassium iodide solution by silver…

A:

Q: During the titration, 25.0 mL of the 0.0233 M saturated calcium hydroxide solution was titrated with…

A:

Q: A cvg.cengagenow.com [Referenc What volume of 0.941 M ot HCl, in milliliters, is required to titrate…

A:

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: 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: 42.0 mL sample of a weak base, A-, was titrated with 63.4 mL of 0.430 M HNO3. Kb = 4.2 x 10-6  What…

A:

Q: A beaker contains 0.00500 M silver and lead(II) ions. A concentrated sodium bromide solution is…

A:

Q: 150.0 mL of 0.2105 M HNO3 was added in excess to 1.3415 g CaCO3 (100.09 g/mol). The excess acid was…

A: Given - volume of HNO3 = 150.0 mL             Molarity of HNO3 = 0.2105 M             Mass of CaCO3…

Q: Balanced eqation: 2 H3PO4 + 3 Ca(OH)2 → 6 HOH + Ca3(PO4)2 What is the molar concentration of 325.25…

A: H3PO4 is a strong acid and dissociates completely to produce 3 H+ ions. Similarly Ca(OH)2…

Q: Do the argentometric titration according to given data and fill in the blanks. Ag+ (aq) + Cl- (aq) →…

A: The titration of one solution with another helps to calculate the concentration of the unknown…

Q: You have a sample of cheese that has rat poison in it. The active ingredient or the rat poison is…

A: A sample of cheese having Tl2SO4 as the active ingredient, whose percentage is to be determined.

Q: Calculate the Ksp for Ca(OH)2 in the solution at 82.9 °C (See equation 2) Your answer should have 4…

A: GIVEN: Concentration of HCl= 0.01252 M The volume of HCl at the equivalence= 17.94 mL The volume of…

Q: The solubility product of silver chromate (VI) at room temperature is 2.4 x 10^-12. Calculate the…

A: Given :  Ksp of silver chromate (Ag2CrO4) = 2.4 x 10-12

Q: At some other temperature, a solid sample of Ca(OH)2 is shaken with 0.0100 M CaCl₂. Once…

A: The reaction of neutralization can be represented as; OH- (aq) + HCl (aq)  --->  H₂O(l) +  Cl-…

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

A:

Q: 2. [A] = day of birth [B] = month of birth I was born December 8th, so for me [A] = 8 [B] = 12 Use…

A:

Q: (a) Write a balanced formula equation for the chemical reaction that occurs in this titration.

A: Acid-base reaction:   When an acid is reacted with base it gives salt and water  These reactions…

Q: A solution of 50.0 mL of 0.20 M HI is titrated with 36.0 mL of Sr(OH)2. 2HI + Sr(OH)2 → Srl₂ + 2H₂O…

A:

Q: 50.00 mL of a solution containing 0.15 M CH2 (CO2 H)2 and 0.020 M MnSO4  Calculate the mass in g of…

A:

Q: crude sample of unknown monoprotic acid weighs 0.20050g dissolves in a 200mL H2O. Then, it was…

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

Q: A saturated solution of strontium hydroxide is repaired in the excess solid Sr(OH)2 is allowed to…

A: Given, Molarity of the HCl solution = 0.073 M = 0.073 mol/L Volume of HCl solution = 29.50 mL =…

Q: 0.28g 0f MBr is dissolved in distilled water and made up to 250mL mark in a volumetric flask. 25 mL…

A: The titration  of MBr by AgNO3 is a double-displacement reaction, which is given by,…

Q: Use the data below to determine the % by mass of Fe to TWO decimal places, if a 0.021 M KMnO…

A: the correct answer is as follows:

Q: A solution of HCIO, was standardized by dissolving 0.4008 g of primary-standard-grade HgO in a…

A: All the necessary calculations have been done in the following step.

Q: A student performed a redox titration of 10 mL samples of acidified tin(II) chloride solution, with…

A: Titration of acidified tin (II) chloride solution with the standardized  as titrant -Volume of the…

Q: Forming Ba(I03)2, 500 mL of 0.5000 M Ba(NO3)2 was mixed with 500 mL of 0.0500 M NaIO3.…

A: Here first of all we will determine the limiting reagent by calculating number of moles of each…

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 student prepares a weak acid solution by dissolving 0.2400 g HZ to give 100. mL solution. The…

A: We have to predict the molar mass, effect on molar mass.

Q: C:04 +6H* → 2MN²*+ 10CO2(g) +8H2O r concentration of the KMNO4 solution.

A: Given Molarity of Na2C2O4 = 0.02502  Volume of Na2C2O4 = 50.00 mL Volume of KMnO4 = 34.75 mL

Q: A laboratory has 12.69 mg Cu2+ available for investigation. If the molar solubility of Cu(OH)2 is…

A: Given: Mass of Cu2+= 12.69 mg = 0.01269 g                                         (Since 1 g = 1000…

Q: molar concentration of the acid

A:

Q: 3) It is desired to titrate 40mL of calcium hydroxide, Ba(OH)2, 0.25 M. For this, a solution of…

A: Volume of calcium hydroxide = V1 =40 ml  Molarity of calcium hydroxide =M1=0.25 M  Molarity of…