How many milliliters of a 0.0203 M solution of potassium permanganate (KMnO4) is needed to titrate 0.700 g of an impure sample that is        18.72% of sodium oxalate?       The reaction between potassium permanganate and sodium oxalate is as follows:        2MnO4- (aq)    +   5C2O42- (aq)  +16H+(aq)    →  2Mn2+(aq)   + 10CO2(g)   + 8H2O (l)

Q: Volume Acid: 20.0 mL Volume of Base added: 14.20 mL Molarity of Base: 0.10 M   1) From the…

A: HCl reacts with NaOH to form sodium chloride and water. The equation for the balanced chemical…

Q: What is the percent of ZnO in an ointment prepared by mixing 150 g of 25% ZnO, 350 g of 5%ZnO and…

A: Given: Mass percent of ZnO in sample 1 = 25 % Mass of sample 1 = 150 g. Mass percent of ZnO in…

Q: Lactic acid is what causes the muscles the feeling of soreness or fatigue. In vitro study was done…

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Q: A standard solution of FeCl3 was prepared and its molar concentration was determined to be 2.000 M.…

A: Initial moles of FeCl3 = 2.00M × 10.00mL = 20mmoles FeCl3 dissociates into Fe3+ and 3Cl- ions. Thus,…

Q: What volume of 0.35 M Ca(NO3)2 is required to completely react with 50.0 mL of 0.75 M K2SO4?…

A: Calcium nitrate reacts with potassium sulfate to form calcium sulfate and potassium nitrate. The…

Q: That acid-base reaction between sulfuric acid, H2SO4, and sodium hydroxide, NaOH, is given by the…

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Q: KHC8H4O4 function as monoprotic acid. If 1.46 grams of the sample of impure KHC8H4O4 requires 34. 3…

A: Given Potassium hydrogen phthalate is a monoprotic acid

Q: Suppose the Kc value for Cobalt (II) hexahydrate is 6.80 and suppose upon heating the solution…

A: The equilibrium constant can be written as the ratio of concentration of products to the…

Q: As you are studying for finals, you calculate the concentration of caffeine in an energy drink and…

A: Mass of caffeine = 289 mg = 0.289 g  Molar mass of caffeine = 194.19 g/mol  Moles of caffeine =…

Q: The balanced equation for the neutralization reaction of aqueous H2SO4 with aqueous KOH is shown.…

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Q: In standardizing a solution of NaOH (40 g/mol) against 1.431 g of KHP (204.22 g/mol) the analyst…

A: Volumetric analysis is a method in which the volume of a substance is determined by measuring its…

Q: The balanced equation for the neutralization reaction of aqueous H2SO4 with aqueous KOH is shown.…

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Q: What volume of 0.230 M HNO3 (nitric acid) reacts with 49.0 mL of 0.330 M Na2CO3 (sodium carbonate)…

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Q: atmosphere. Kb(chloroform) = 3.67 °C/m In a laboratory experiment, students synthesized a new…

A: First Calculate elevation in boiling point Then ∆Tb= mole of Solute×1000×kb/mass of solvent Mole =…

Q: 4) Under basic conditions, an aqueous solution of permanganate ions oxidizes an aqueous solution of…

A: According to the mole concept, in terms of mass, the amount of substance in moles is equal to the…

Q: f 28.0 g of NaOH is added to 0.550 L of 1.00 M Ni(NO3)2, how many grams of Ni(OH)2 will be formed in…

A: we will have to obtain relation between the mole of reactant to mole of product to find the mass of…

Q: The balanced equation for the neutralization reaction of aqueous H2SO4 with aqueous KOH is shown.…

A: Given Titration of H2SO4 and KOH. To find The volume of KOH required to completely react with the…

Q: A titrant of 1.0 M K2Cr2O7 was used for titration of 30 mL aqueous ethanol C2H6O solution and…

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Q: The balanced equation for the neutralization reaction of aqueous H2SO4 with aqueous KOH is shown.…

A: Balanced Reaction H2SO4 (aq) + 2KOH(aq) ---> K2SO4 (aq) + H2O(l)  Given Data Volume of H2SO4 =…

Q: A student weighs out 1.051 g of impure KHP, dissolves the sample in deionized water and titrates it…

A: Given data Mass of impure KHP = 1.051 g Molarity of NaOH  solution = 0.1101 M Volume of NaOH…

Q: A solution of tartaric acid (H2C,H,O6) with a known concentration of 0.155 M H2C,H,O6 is titrated…

A: Given, H2C4H6O6+2NaOH→Na2C4H4O6+2H2OK. Concentration of tartaric acid = 0.155M Concentration of…

Q: The balanced equation for the neutralization reaction of aqueous H2SO4H2SO4 with aqueous KOHKOH is…

A: From the given reaction, it is clear that one mol of sulphuric acid react with two mol of potassium…

Q: Suppose in an experiment to determine the amount of sodium hypochlorite in bleach, 0.0000157 mol…

A: Given  Moles Of KIO3 = 0.0000157 mole Volume of Na2S2O3 used = 17.64 mL = 17.64 * 10-3 L…

Q: A sample weighing 1.731g contains a mixture of the triprotic citric acid, H3C6H5O7 and sodium…

A: Given, Mass of the mixture = 1.731 g Molarity of sodium hydroxide, NaOH = 0.3550 M = 0.3550 mol/L…

Q: 10.0mL of concentrated H3PO4 (aq) is diluted to the final volume of 250 mL. Then 150 mL of the…

A: Given:  Volume of concentrated H3PO4 solution = 10 ml  volume after dilution = 250 ml  Volume of…

Q: A sample of CaCO3 (molar mass=100.1) weighing 0.4856 g is dissolved in HCl and the solution diluted…

A: Given: Molar mass of CaCO3 = 100.1 g/molMass of CaCO3 = 0.4856 gVolume of EDTA = 21.37 mLVolume of…

Q: According to the following reaction, what volume of 0.365 M Al(NO3)3 is needed to react with 30.0 mL…

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Q: An unknown vitamin C tablet was titrated with a 0.2030 M KOH solution. Calculate the milligram mass…

A: As vitamin C is the mono protic acid, 1 mole of vitamin C reacts with 1 mole of KOH. At equivalence…

Q: The student weighs out 0.18 g of a diprotic unknown acid and dissolves it in approximately 50 mL of…

A: Since the acid is diprotic  hence moles of NaOH required to reach end point = moles of acid X 2…

Q: As you are studying for finals, you calculate the concentration of caffeine in an energy drink and…

A: Molarity is equal to the number of moles of solute dissolved in per litre of solution. It is denoted…

Q: 10.0mL of concentrated H3PO4 (aq) is diluted to the final volume of 250 mL. Then 150 mL of the…

A: The solvent is the chemical in the combination that is present in the greatest amount, while the…

Q: The metathesis reaction between ammonium chloride and lead (II) acetate is shown below 2 NH4Cl (aq)…

A: The reaction taking place is given as  2 NH4Cl (aq) + Pb(C2H3O2)2 (aq) ➝ PbCl2 (s) + 2 NH4C2H3O2…

Q: A quantitative analysis for ethanol, C2H60, is accomplished by a redox back titration. Ethanol is…

A: The explanation is given below-

Q: The balanced equation for the neutralization reaction of aqueous H2SO4H2SO4 with aqueous KOHKOH is…

A: Given,0.380 M KOH20.0 ml of 0.110 M sulfuric acid

Q: A 27.56 mL portion of a 0.337 M solution of hydrochloric acid, a monoprotic acid, is to be titrated…

A: The chemical reaction between KOH and hydrochloric acid(HCl):                   KOH + HCl → KCl +…

Q: How many mL of 3.000 M Mg(OH)2 solution are needed to react with 2.000 L of 3.000 M H3PO4 ?   2…

A: Given,  2 H3PO4   +   3 Mg(OH)2    →   6 H2O   +   Mg3(PO4) The volume in mL of 3.000 M Mg(OH)2…

Q: Sulfamic acid is a primary standard that can be used to standardize NaOH. *H3NSO3 + OH → H2NSO, +…

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Q: Titration of 0.2121 g of pure Na2C2O4 (134.00 g/mol) required 43.31 mL of KMnO4. What is the molar…

A: From the given reaction, it is clear that 2 mol of MnO4- reacts with 5 moles of C2O42-to form the…

Q: A solution of citric acid (F3C6H507) with a known concentration of 0.200 M H3C6H507 is titrated with…

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Q: It requires 35.7 mL of calcium hydroxide to reach the endpoint. A. What is the molarity of the…

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Q: Given the balanced equation:  16H+ + 2MnO4- + 5C2O42- --> 2Mn+ + 10CO2 + 8H2O    If .184 g of…

A: The balanced chemical equation for the titration of oxalate ion with permanganate ion is given as,

Q: Answer the following questions for the reaction NiCl2(aq)+2NaOH(aq)→Ni(OH)2(s)+2NaCl(aq) How many…

A: The balanced reaction is: a) Calculation of no. of mol of NiCl2: According to the balanced…

Q: A 10.00 mL vinegar sample is pipetted into an Erlenmeyer flask and titrated with 24.77 mL of 0.575 M…

A:

Q: The reaction of sulfuric acid (H2SO4) with potassium hydroxide (KOH) is described by the…

A:

Q: Oxalic acid dihydrate (H2C204 2H2O) can be used to standardize NaOH solution through acid-base…

A: During titration, number of moles of base and number of moles of acid should be equal. In the…

Q: As a technician in a large pharmaceutical research firm, you need to produce 250. mLmL of 1.00 MM…

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Q: How many milliliters of 0.0459 MH3PO4 could be completely neutralized by 46.2 mL of 0.136 M KOH? The…

A: Potassium hydroxide reacts with phosphoric acid, to form potassium phosphate and water. The equation…

Q: Potassium hydrogen phthalate is used as a primary standard in finding the concentration of a…

A: Potassium hydrogen phthalate is used as a primary standard in finding the concentration of a…

Q: The balanced equation for the neutralization reaction of aqueous H2SO4 with aqueous KOH is shown.…

A: Volume of KOH is calculated as follows

Q: For the titration of HOCl in bleach solution by Na2S2O4 the following reactions are used: HOCl-(aq)…

A: Reaction between HOCl in bleach solution and Na2S2O4 are represented as: HOCl-(aq) + H2O(l) + 2I-…

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