A sample of soda ash (impure NazCO3) is titrated with 0.5000N H2SO4. If the sample weighs 1.100 g and requires 35.00 mL of the acid for complete neutralization, what is the % NazCO3 in the ash, assuming no active component to be present? What would be

Q: A 50.0mL sample of phosphoric acid, H3PO4, is titrated with 42.50 mL of 0.250 M NaOH. what is the…

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Q: 16.792 g of Ba(OH)2 (171.342 g.mol-1) is weighed out and carefully dissolved to make a 500.00cm3…

A:

Q: A sample of ultrapure silicon was reacted with excess oxidizing yielding SiO₂. After proper…

A: Given that -  Mass of Silicon dioxide SiO2 =  3.1754 g  Percentage of ultrapure silicon = 99.98%…

Q: "If you begin with 94.6 mL of 0.731 M KCl(aq) solution and mix it with 65.6 mL of 0.704 M…

A: Given, KCl solution Concentration of KCl solution = 0.731 M = 0.731 mol/L Volume of KCl solution =…

Q: Consider the reaction of a 20.0 mL of 0.220 M C5H5NHCl (Ka = 5.9*10-6) with 12.0 mL of 0.215 M CsOH.…

A: Given: Concentration of C5H5NHCl = 0.220 M Volume of C5H5NHCl solution = 20.0 mL = 0.020 L…

Q: If 0.1297 g  of sodium oxalate, Na2C2O4, requiresof a 48.59 mL  KMnO4 solution to reach the end…

A: Moles of sodium oxalate(Na2C2O4) = mass/molar mass = 0.1297g/133.99mol = 0.00096 When sodium oxalate…

Q: al 0.3IT M 5. Forgetful Freddy weighed his KHP sample, but forgot to bring his report sheet along, o…

A: Given: Standardization of NaOH using KHP KHP + NaOH = KHP-Na  + H2O NaOH: V = 18.46 ml M = 0.2987 M…

Q: Suppose in an experiment to determine the amount of sodium hypochlorite in bleach, 0.0000552 mol…

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Q: In an experiment, a 500.0 mL solution of approximately 0.250 M KOH (56.106 g/mol) solution was…

A: Standardization reaction is a reaction in which the concentration of the unknown analyte can be…

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

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Q: 1. How many grams of nitrogen are present in a 0.10-g sample of caffeine, the stimulant in coffee…

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

Q: (a) If 54.8 mL of BaCl2 solution is needed to precipitate all the sulfate in a 554 mg sample of…

A: The formula of molarity is: Molarity = No. of moles of soluteVolume of solution (in L) (a) The given…

Q: Vinegar contains acetic acid (HC2H3O2), which is responsible for its acidity. In one analysis of a…

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Q: 1) How many miles of HCI are there in 75.0 mL of 0.330 M HCI?

A: Since you asked multiple questions so as per Q&A guidelines of portal I solve first question…

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: 2) A 50.0 mL sample of phosphoric acid, H3PO4, is titrated with 42.50 mL of 0.250 M NAOH. What is…

A: We define concentration as the amount of solute present in the solution. There are various ways in…

Q: What percentage of the mixture was CaSO4 if a 4.550g solid mixgure containing CaSO4 is dissolved in…

A: Please find the answer attached as handwritten note .

Q: 10.00 mL of 5.07 M H2SO4 is pipetted into an Erlenmeyer flask in preparation for a titration. How…

A: Note : Since you have posted multiple questions, we are entitled to answer the first only. Please…

Q: 5 ml of substance (A) is titrated with 38 ml of 0.1 M of substance (B). if the legal minimum percent…

A: Volume of A = 5 mlVolume of B = 35 mlMolarity of B = 0.1 Mdensity of A = 19/mlMo.wt of A = 61…

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: 0.3043 g of pure KHP was weighed out and titrated to an end point with 15.12 mL of a NaOH solution…

A: Neutralization reaction between KHP (C8H5KO4) and NaOH is given below,

Q: What mass of sodium sulfate is produced from the reaction of 25.0mL of 2.7M H2SO4 with excess sodium…

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Q: A sample of fuming suifuric acid containing only SOs and sulfuric acid weighs 1.400 grams and…

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

Q: 5. A 0.331 g sample of aspirin prepared in the laboratory was dissolved in 95% ethanol and titrated…

A: a) The number of moles is calculated as, 0.107 M NaOH = mol/ 0.0167 Lmol= 0.107 mol/L x 0.0167 L =…

Q: A mixture of Na2CO3 and BaCO3 weighing 0.2000g requires 30.0 ml of 0.1000 N of HCl for complete…

A: Given data mass of sample mixture ( Na2CO3 and BaCO3 ) = 0.2000 g HCl volume requirred = 30.0 mL HCl…

Q: In an accident, a solution containing 2.5 kg of nitric acid was spilled. Two kilograms of Na2CO3 was…

A: 2HNO3 + Na2CO3 ----------> 2NaNO3 + CO2 + H2O Atomic weight of H = 1g/mol Atomic weight of N =…

Q: To prepare 50 mL solutions of 0.1 M CuSO4 in water (calculation to prepare chemicals in…

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Q: A sample of battery acid is to be analyzed for its sulfuric acid content. A 1.00-mL sample weighs…

A: Given information: Mass of sample = 1.256 g Concentration of barium hydroxide = 4.522×10-3 M Volume…

Q: The water in lakes that have been acidified by acid rain (HNO3 andH2SO4) can be neutralized by a…

A: Molarity: The number of moles of solute present in one liter of solution. It is denoted by M. The…

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: If you prepare 25 mL of a solution with 100 mM Na2SO4 and another solution with 0.5 L of 30 mM…

A: The reaction is

Q: 16.792 g of Ba(OH)2 (171.342 g.mol-1) is weighed out and carefully dissolved to make a 500.00cm3…

A:

Q: A 0.879 g sample of a CaCl2·2H2O/K2C2O4·H2O solid salt mixture is dissolved in ~100mL of deionized…

A: Given:Mass of CaCl2.2H2O +mass of K2C2O4·H2O = 0.879 g.Mass of CaC2O4 = 0.284 g.Volume of water =…

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

A: Given: The mass of the soda ash sample is 1.10 g. The volume of 0.500 N H2SO4 solution required for…

Q: b) A 25 mL of 0.1 M sodium hydroxide, NaOH is reacted with 30 mL of 0.2 M ethanoic acid, CH,COOH to…

A: Determination of no. of mol of NaOH: n=M×V=0.1 mol/L×25×10-3 L=2.5×10-3 mol Determination of no. of…

Q: 5 ml of substance (A) is titrated with 38 ml of 0.1 M of substance (B). if the legal minimum percent…

A: Molarity of substance A can be calculated using the relation: M1V1=M2V2 from molarity, moles of A…

Q: Sodium carbonate is a reagent that may be used to standardize acids in the same way. In such…

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Q: What weight (in grams) of oxalic acid (MW= 90 g/mol) will be required to prepare 1 liter of 0.25 N?

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Q: If 2.00 grams of an unknown DIPROTIC acid (H2A) is titrated with 34.0 mL of 1.35 M NaOH, what is the…

A: We have given Mass of diprotic acid = 2 g Molarity of NaOH = 1.35 M Volume of NaOH = 34.0 mL = 0.034…

Q: 16.792 g of Ba(OH)2 (171.342 g.mol-1) is weighed out and carefully dissolved to make a 500.00cm3…

A:

Q: You have identified by titration that a 1.78g sample of bleach contained 90.2mg of NaOCl. What is…

A: Mass percent is the ratio of mass of NaOCl to the mass of sample

Q: To prepare 50 mL solutions of 0.01 M KMnO4 in water (calculation to prepare chemicals in…

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Q: A solution of 0.332  M   KOH  is used to titrate 16.0  mL  of a 0.192  M   H3PO4  solution. What…

A: No. of moles = Molarity × volume We need to balance ( no. of moles ÷ stoichiometric coefficient) .…

Q: Potassium hydrogen phthalate is a solid, monoprotic acid frequently used in the laboratory as a…

A:

Q: A sample of fuming suifuric acid containing only SO. and sulfuric acid weighs 1.400 grams and…

A: Given: Mass of mixture = 1.400 g. Concentration of NaOH = 0.850 N = 0.850 M…

Q: a. How would you prepare the KOH solution? b. After standardization, what will be the exact…

A: Given -  KOH Solution volume = 500 mL  KOH Molarity = 0.250 M  KOH molar mass = 56.106 g/mol  KHP…

Q: A student carried out a titration using H2SO4 and KOH.  The balanced equation for the reaction is:…

A: The equation for the neutralization reaction is,

Q: 3. A 0.709 g sample of H2C2O4:2H2O is dissolved in water and titrated to a phenolphthalein endpoint…

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Q: If 0.4350 g  of sodium oxalate, Na2C2O4, requiresof a 41.71 mL  KMnO4 solution to reach the end…

A: Reaction between MnO4- and oxalate is given - Number of sodium oxalate reacted is calculated :-

Q: ML b. Describe how you would prepare 1 L of a 50 mM solution of acetic acid. The gram formula weight…

A: There are different ways in which we can express  the concentration of the species

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