In order to calculate the volume of an irregularly shaped container, a chemist added 108.2 g of NaCl to the container and filled it with water. After dissolving the NaCl, 100.0 mL of the solution required in their titration 9.39 mL of 0.1008 M AgNO3 solution. Deduct the volume of the deposit. (Pat Data: Cl, 35.453; Na, 22.9898)

Q: A mysterious white powder is found at a crime scene. A simple chemical analysis concludes that the…

A: Since it is reaching equivalence point means that all the weak base (morphine ) has reacted with the…

Q: In the preparation of Rochelle salt (MW = 282.83 g/mol), 6.6 grams of monohydrated Sodium carbonate…

A:

Q: It takes 91 mm² of overall surface area, in the form of a calcium-based substrate sheet, (CACO3…

A: Solution: Data Given- 91 mm² of overall surface area, (CaCO3 density=2.7 g/cm³)

Q: A sample of an iron ore is dissolved in acid, and the iron is converted to Fe2+. The sample is then…

A: “Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: The amount of protein in a sample of cheese is determined by a Kjeldahl analysis for nitrogen. After…

A: Here we have to determine the mass percentage of protein present in sample of cheese in the…

Q: A student weighs out 1.215 g of an impure KHP, dissolves the sample in 100. mL DI water and titrates…

A: kindly find the answer attached

Q: In the laboratory you are given the task of separating Pb²* and Fe2* ions in aqueous solution.

A:

Q: An 8.65-g sample of an unknown group 2A metal hydroxide is dissolved in 85.0 mL of water. An…

A: The point where equivalent quantities are brought together is called equivalence point. The reaction…

Q: In the preparation of Rochelle salt (MW = 282.83 g/mol), 6.3 grams of monohydrated Sodium carbonate…

A: Monohydrate sodium carbonate (CH2Na2O4) = 6.3 g  Potassium bitartrate (C4H5KO6) = 20 g  Rochelle…

Q: Mass of H2C2O4•2H2O = 1.3245 grams  Molar Mass of H2C2O4•2H2O = 126.07 Volume of H2C2O4•2H2O…

A:

Q: O A chemical engineer determines the mass percent of iron in an ore sample by converting Fe to Fe in…

A: The balanced reaction taking place is given as, Given : Concentration of KMnO4 = 0.03190 M Volume…

Q: A 1.0 g sample of a substance of unknown molar mass requires 40 ml of standard solution for…

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Q: A 0.750 g sample of finely ground limestone was placed in an Erlenmeyer flask, and 25.00 mL of 1.00…

A: Mass of sample = 0.750 grams Volume of HCl added = 25.0 mL Concentration of HCl added = 1M Volume of…

Q: 3. A sample of KHP, KHCaH.O., weighing 2.035 g is titrated with NaOH and backtitrated with HCI. NaOH…

A:

Q: The active agent in many hair bleaches is hydrogen peroxide. The amount of H,O, in 14.6-g of hair…

A: Given: Volume of KMnO4 = 46.1mL=0.0461L Concentration of KMnO4 is 0.154 M the mass of bleach is…

Q: 0.425 g of antacid is weighed and mixed with excess HCl, then back titrated with NaOH solution. The…

A: Antacid have active ingredient as NaHCO3. The reaction of NaHCO3 and HCl – NaHCO3 + HCl →NaCl +…

Q: The calcium in a 200 ml sample of water was determined by precipitating the cation as CaC204. The…

A: Given: Volume of sample of calcium = 200 mL Mass of empty crucible = 26.6002 g And mass of crucible…

Q: A solution of hydrogen peroxide,H2O2, is titrated with a solution of potassium permanganate, KMnO4.…

A: Number of moles of KMnO4​=MV/1000 ​=0.145×51.7/1000=7.4×10−3

Q: A sample of an iron ore is dissolved in acid, and the iron is converted to Fe2+. The sample is then…

A: (a) Given, volume of MnO4- = 47.20 mL Molarity = 0.00240 mol/L So, Number of moles of…

Q: The amount of I, (aq) in a solution can be determined by titration with a solution containing a…

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Q: The zinc content of a 1.42 g ore sample was determined by dissolving the ore in HCI, which reacts…

A: Given, mass of ore sample = 1.42 g.   The ore was dissolved in 150 mL of 0.600 M HCl, and the…

Q: A 0.7785 g sample containing hydrazine (N2H4, rocket fuel) was dissolved and diluted to 250.0 mL in…

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

Q: A sample of pearl ash (impure K2CO3) is titrated with 0.2500 N HCl. If the sample weighs 1.1000 g…

A: Normality is defined as the amount of solute expressed in the number of gram equivalents present per…

Q: A sample of KHP, KHC3H&O4, weighing 2.035 g is titrated with NAOH and backtitrated with HCl. NaOH…

A: Potassium hydrogen phthalate, most commonly called KHP, is an acidic salt having the molecular…

Q: A 6.586-g sample containing magnesium chloride and sodium chloride was dissolved in sufficient water…

A: Mass of sample = 6.586 g Mass of sample solution = 500 mL Mass of AgCl formed from 50 mL solution =…

Q: All arsenic in the mineral containing 20 g of arsenic is dissolved by converting it into As3+.…

A: Working formula Decinormal = one tenth of normality = 0.1 N Normality = Molarity*no of equivalents…

Q: A sample of soda ash (impure Na2CO3) is titrated with 0.5000 N H2SO4. If the sample weighs 1.1000 g…

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Q: A dried sample of commercial salt was prepared by a coning and quartering. A 0.837-g sample of the…

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Q: Potassium permanganate in acidic solution is used to titrate a solution of iron(II) ions, with which…

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Q: 2.413 g sample contains Na2CO3, NaHCO3 and inert material. This sample was solved in water and…

A:

Q: In the titration of 10.00 mL sample of vinegar solution with 0.35 M NAOH as titrant, the initial…

A:

Q: evidence of reaction such as: (a) the formation of a precipitate, (b) the formation of a gas, (c)…

A: Evidence of a reaction is the proof ofa reaction to be occured.

Q: موعد التسليم السبت، 0 12:0 ص An impure sample of Na2SO4 weighed 1.562g . A BASO4 precipitate from…

A: The reaction is: Na2SO4+BaCl2→2NaCl+BaSO4 1 mol of Na2SO4 gives 1 mol of BaSO4 142.04 g of Na2SO4…

Q: A 0.750 g sample of finely ground limestone was placed in an Erlenmeyer flask, and 25.00 ml of 1.00…

A: Mass of sample = 0.750 g Initial molarity of HCl = 1 M Initial volume of HCl = 25 mL or 0.025 L…

Q: Calculate the percent purity of a sample of Mg(OH)2 if titration of 2.568 g of the sample required…

A: The percent purity is given by

Q: grams of Na,cO, (MW=106.g/mole) 2.5543 are placed in volumetric flask and dissolve in water to 500…

A: Answer

Q: An iron containing sample of mass 0.53 g is first treated with HCI(aq) to convert all iron to Fe*…

A: The ratio of mass of particular atom to the total mass multiply by 100 is known as percent by mass.

Q: 4. A solution of 2.5 x 104M NazS2O3 was used for the iodometric titration of an ozone- containing…

A:

Q: A piece of chalk (mainly calcium carbonate) is placed in 250. mL of 0.299 M HCl. All the CaCO3…

A: Number of mmols = molarity x volume (mL) Chemical equation for the reaction of HCl and CaCO3 can be…

Q: 87. What is the use of barium hydroxide in the precipitation of standard NaOH solution? a. catalyst…

A: Q. 87 Ans: (c) precipitate any carbonate present insolution. Barium hydroxide is used in titrations.…

Q: A 1.213 g sample of M(OH)2 was mixed with 23.50 mL of 2.883 M HCl and enough water to make 100 mL of…

A: Moles of NaOH = Molarity × Volume                            = 0.1750 M × 20 ml = 0.0035 mmol From…

Q: In the preparation of Rochelle salt (MW = 282.83 g/mol), 6.6 grams of monohydrated Sodium carbonate…

A:

Q: In the laboratory you are given the task of separating Ca2+ and Ag* ions in aqueous solution. For…

A: When  Ca2+ and Ag+ ions Present in the Solution, then using different type of reagents we can…

Q: In the titration of 10.00 mL sample of vinegar solution with 0.35 M NaOH as titrant, the initial…

A: Given: The volume of the vinegar solution taken for titration = 10.00 mL Molarity of the NaOH…

Q: NEUTRALIZATION From the previous lesson, you have learned that the Arrhenius theory defines…

A:

Q: In the titration of 10.00 mL sample of vinegar solution with 0.35 M NaOH as titrant, the initial…

A:

Q: A sample of KHP, KHC8H.O4, weighing 2.035 g is titrated with NAOH and backtitrated with HCI. NaOH…

A: Given: Mass of sample of KHP =2.035 g Volume of NaOH required =23.20 mL Volume of HCl required…

Q: A sample of KHP, KHC8H&O4, weighing 2.035 g is titrated with NaOH and backtitrated with HCI. NaOH…

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

Q: 1. A sample containing magnetite, Fe;O4, was analyzed by dissolving a 1.5419-g sample in…

A: A numerical problem based on isolation of metals, which is to be accomplished.

Q: In the gravimetric determination of barium (FW=137.33 g/mol) as BaCrO4 (FW=253.32 g/mol), what…

A: The ratio of mass of particular component to the mass of sample multiply by 100 is known as…

Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.