What mass of solid potassium oxalate (K2C2O4), when dissolved in an acidic solution, would be titrated by exactly 25.0 mL of 0.0362 M potassium permanganate (KMnO4) solution? (Mn2+ ions and carbon dioxide are produced in the reaction.)

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

Q: 2.00 g of limestone was dissolved in hydrochloric acid and all the calcium present in the sample was…

A: Given: The mass of limestone is 2.00 g. The weight of the precipitate is 2.43 g. To find: Percentage…

Q: A solution of sodium hydroxide is standardized against potassium hydrogen phthalate (molecular mass…

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: You prepare a standard NaOH solution for the laboratory, using potassium hydrogen phthalate…

A: The concentration of NaOH solution is; nKHP=MNaOH×VNaOHMNaOH=mKHPMMKHP×VNaOH×1000 mL1 L=0.750…

Q: 1) balance the following chemical equation for the reaction of hypothetical elements X, Y, and Z.…

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

Q: Potassium permanganate, a strong oxidizing agent, is commonly used in titrations because of its…

A: Given, 27.12 mL of 0.1147 M KMnO4

Q: What kind of reaction is this if it is. Precipitate write down the formula if you said acid-base…

A: The balanced reaction for titration of iron ore with potassium permanganate is given as,

Q: A 2.00g sample of limestone was dissolved in hydrochloric acid and all the calcium present in the…

A: Ca2+ + C2O42- ----CaC2O4

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

Q: The net ionic equation below represents the standardization of potassium permanganate. 5 H2O2 (1) +…

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A: Neutralization or Neutralisation is a chemical reaction in which acid and a base react…

Q: The calcium in a 300.0 mL sample of natural water was determined by precipitating the cation as…

A: Ca2+(aq) + C2O42-(aq) →CaC2O4(s) CaC2O4(s) →CaO + CO2 +CO Weighing form =Obtained precipitate is…

Q: Fill out the chart in the picture for what kind of reaction is this then calculate the mass percent…

A: To measure the amount of calcium carbonate (CaCO3) in a seashell, an analytical chemist crushes a…

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Q: a. The reaction between hydrochloric acid and sodium carbonate is given by the equation 2 HCI (aq) +…

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Q: What is the percent vitamin C by mass in the tablet?

A: Molarity is defined as the moles of substance dissolved in 1 L solution. At the end point of the…

Q: Sodium carbonate, Na2CO3, can be titrated with HCl according to the following balanced chemical…

A: First, the given grams of sodium carbonate is converted into moles.

Q: One way to determine the concentration of hypochlorite ions (ClO–) in solution is by first reacting…

A: Titration based on redox reaction between the analyte and titrant is known as redox titration.

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Q: A 35 mL of a Na3PO4 aqueous solution and 35mL of a BaCl2 aqueous solution were combined to form…

A: Consider the given information is as follows; Mass of Ba3PO42 = 0.520 g Volume of BaCl2 = 35 mL =…

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: What are the products formed when the following is mixed? The resulting reaction may or may not be…

A: All salts of nitrate and potassium are water soluble as the due to size mismatch between the ions…

Q: Potassium hydrogen phthalate, KHP, is often used as a primary standard for the standardization of…

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Q: The calcium in a 200.0 mL sample of natural water was determined by precipitating the cation as…

A: The mass of empty crucible is = 26.6002 g The mass of crucible and CaO is = 26.7134 g The mass of…

Q: A titration is performed to determine the amount of sulfuric acid, H2SO4, in a 6.43 mL sample taken…

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Q: The calcium in a 300.0 ml sample of natural water was determined by precipitating the cation as…

A: Answer: This question is based on stoichiometric calculation where we have to find out the number of…

Q: 12.) A 2.00g sample of limestone was dissolved in hydrochloric acid and all the calcium present in…

A: Mass of sample of limestone = 2.00 g  Mass of precipited , CaC2O4 = 2.43 g    Ammonium oxalate is…

Q: A solution of NaCl(aq) is added slowly to a solution of lead nitrate, Pb(NO3)2(aq), until no further…

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Q: Excess Na2SO4(aq) is added to a 2.43×102 mL sample of industrial waste containing Ba2+ ions. If 20.5…

A: Total industrial sample = 2.43 x 102 mLTotal mass of BaSO4 precipitated= 20.5gThe given reaction is

Q: In the analysis of an iron ore by precipitation of the iron as Fe(OH)3, what weight of the sample…

A: Mass% is equal to ratio of the mass of the substance to the total mass of the substance multiplied…

Q: The following chemical reaction takes place in aqueous solution: CuBr,(aq)+K,S(aq) →CUS(s)+2 KBr(aq)…

A: Given: CuBr2(aq) + K2S(aq) → CuS(s) + 2KBr(aq)

Q: Consider

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Q: A solution of NaCl(aq) is added slowly to a solution of lead nitrate, Pb(NO3)2(aq), until no further…

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Q: The quantity of antimony in a sample can be determined by an oxidation–reduction titration with an…

A: Given data: Mass of stibnite sample = 7.79 g, Concentration of KBrO3 solution = 0.120 M, Volume of…

Q: A solution of sodium hydroxide is standardized against potassium hydrogen phthalate (molecular mass…

A: Given, Mass of KHP =0.7840 g Initial reading of burette=0.8400 mL Final reading of burette = 39.20…

Q: A solution of NaCl (aq) is added slowly to a solution of lead nitrate, Pb(NO3)2 (aq) until no…

A: NaCl is being added in the Pb(NO3)2 till no further precipitate is formed. Hence all the Pb2+…

Q: Lead ions can be precipitated from aqueous solutions by the addition of aqueous iodide: Pb2+ (aq) +…

A: The equation is,

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Q: A volume of 23.24 mL of potassium permanganate (represented by permanganate ion in the balanced…

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Q: 2. Vinegar contains acetic acid, CH3COOH. You can determine the mass of acetic acid in a vinegar…

A: It involves acid base titration between Sodium hydroxide and acetic acid. a) nNaoH=MXV=0.529×58.18mL…

Q: In the titration of an impure sample of KHP, it was found that 36.0 mL of 0.100 M NaOH was required…

A: KHP reacts with NaOH as: NaOH+KHP→NaKP+H2O

Q: A student was asked to determine the percentage of the components of a mixture of potassium bromide…

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…

Q: A 10.00-mL sample of vinegar, an aqueous solution of acetic acid (HC2H3O2),is titrated with 0.5062 M…

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Q: You prepare a standard NaOH solution for the laboratory, using potassium hydrogen phthalate…

A: The Question involves concepts of quantitative analysis. we have to calculate percentage of vitamin-…

Q: What mass of precipitate (in g) is formed when 20.5 mL of 0.500 M Cu(NO₃)₂ reacts with 40.0 mL of…

A: Answer #70: The given reaction is :  Cu(NO3)2(aq) + 2 NaOH(aq) → Cu(OH)2(s) + 2 NaNO3(aq) The given…

Q: You prepare a standard NaOH solution for the laboratory, using potassium hydrogen phthalate…

A: The question is based on concepts of titration. first, we standardise sodium hydroxide solution by…

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