Stoichiometry of a RedOx Reaction I Oxalic acid, H2C204, reacts with dichromate ion, in acidic solution to produce carbon dioxide and chromium(III) ion. If exactly 50.0 mL of an oxalic acid solution is required to react completely with 45.0 mL of a 0.0750 M dichromate solution, what is the molarity of the oxalic acid solution? (Number only) M

Q: 4.A student dissolves 1.18g H2C204. 2H20 (MM= 126.07 g/mol) in water and titrates the solution with…

A: Given, H2C2O4 + 2NaOH ➝ Na2C2O4 + 2H2O mass of H2C2O4.2H2O = 1.18 g molar mass of H2C2O4.2H2O =…

Q: To lift fi ngerprints from a crime scene, a solution of silver nitrate is sprayed on a surface to…

A: Write the balanced equation,       AgNO3(aq)+NaCl(aq)→AgCl(s)+NaNO3(aq) Volume of silver nitrate is…

Q: If a chemist isolates 1.23 g of solid from the reaction of 75 mL of 0.20 M of barium chloride…

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

Q: Consider the following reagents: zinc, copper, mercury (density13.6 g/mL), silver nitrate solution,…

A: a.

Q: Aqueous solutions of ammonia 1NH32 and bleach (active ingredient NaOCl) are sold as cleaning fluids,…

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Q: A titration is performed to determine the amount of sulfuric acid, H2SO4, in a 6.5 mL sample taken…

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Q: Analysis of the water content of a lake found in the desert showed that it contained 12.8 percent…

A: 12.8 % chloride ion means 12.8 g chloride is present in 100 g of water and chloride mixture. Mass of…

Q: What is the maximum amount of aspirin if 1.428 g of salicylic acid are reacted with 0.793 g of…

A: Salicylic acid reacts with acetic anhydride to produce aspirin.

Q: 4a. In the gravimetric analysis of determination of loss of water molecules of hydration from a…

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

Q: Two solutions are mixed: 25.0 mL of 0.170 M barium nitrate and 50.0 mL of 0.115 M potassium…

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Q: If 2.73 mL of a stock solution of NaCl, with a concentration of 4.9 M is diluted to a final volume…

A: Molarity is defined as “the mole of the solute per unit volume of the solution”. It is represented…

Q: A person's blood alcohol (C2H5OH) level can be determined by titrating a sample of blood plasma with…

A: Calculate the mass of alcohol that reacted with Cr2O72- by using the molarity and volume of Cr2O72-…

Q: several brands of antiacids use aluminun hydroxide to reat with stomach acid (which is primarily…

A: Guven, aluminun hydroxide to reat with stomach acid (which is primarily hydrochoric acid) The…

Q: 5. Citric acid, H3C6H5O7,(molar mass 192.1 g/mole) occurs in plants. Lemons contain 5% to 8% citric…

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Q: aqueous solution contains 3.75 g of iron(III) sulfate per liter. a) What is the molarity of…

A: Given,  mass of Fe2(SO4)3 = 3.75 g  Volume of Solution = 1.00 L Molar mass of Fe2(SO4)3 = 399.88…

Q: A person's blood alcohol (C2H5OH) level can be determined by titrating a sample of blood plasma with…

A: Mass percent :- The mass of solute in grams present in 100 grams of solution is defined as mass…

Q: the molarity of a solution of NaOH, if 41.4 mL of this solution is required to react with 37.5 mL of

A: At equivalent point , Equivalents of NaOH = Equivalents of HNO3  N1V1  = N2V2  M × 41.4 = 0.0342 ×…

Q: If a solution containing 123.67123.67 g of silver nitrate is allowed to react completely with a…

A: Given data,Mass of silver nitrate=123.67gMass of Lithium hydroxide=11.85g

Q: plant manufactures a high-grade phosphoric acid used in different laboratory experiments. The…

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Q: With ions shown as spheres and sol-vent molecules omitted for clarity, the circle (right)illustrates…

A: There is a possibility of formation of below salts from the cations and anions given: KNO3, KClO4,…

Q: when you mix osmium (III) nitrate solution and rubidium suulfide solution a precipitation Teae…

A: (a) The chemical formulae are, Osmium (III) nitrate - Os(NO3)3  Rubidium sulfide - Rb2S Molar mass…

Q: Analysis of the water content of a lake found in the desert showed that it contained 14.1 percent…

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

Q: Aspirin can be synthesized in the lab by combining salicylic acid (C,H,0,) and acetic anhydride…

A: Given,

Q: Aspirin can be synthesized in the lab by combining salicylic acid (C,H,O,) and acetic anhydride…

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Q: Enter your answer in the provided box. The mass percent of CI in a seawater sample is determined by…

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Q: In the reaction of copper (ll) nitrate with sodium hydroxide, calculate the mass in grams of sodium…

A: Solution: The mathematical solution with step-by-step is shown below ---

Q: 4a. In the gravimetric analysis of determination of loss of water molecules of hydration from a…

A: Gravimetric analysis is used to determine the mass or concentration of a substance by measuring a…

Q: How many moles of solute are added if 100.00 mL of the solution that is 4.00 M iron (ii) acetate are…

A: Given : Concentration of solute i.e iron (II) acetate = 4.00 M And volume of solution taken = 100.0…

Q: person’s

A: We will use stoichiometry of the reaction to get the answer

Q: HCl + KMnO4 → Cl2 + Mn2+ (unbalanced) (KMnO4= 158 g/mol) a) Balance the above equation (in acidic…

A: To determine the concentration/molarity of KMnO4 solution by titrating it againsta 0.1 M standard…

Q: Zinc and magnesium react with hydrochloric acid to produce the metal chlorides and hydrogen gas. A…

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Q: If 30.15 mL of 0.0995 M NaOH is required to neutralize 0.279 g of an unknown acid, HA, what is the…

A: Volume of NaOH = 30.15 ml  ...Or because, 1L = 1000 ml    so,  = 30.15 ml × (1L / 1000 ml )  =…

Q: A scientist wants to make a solution of tribasic sodium phosphate, Na3PO4, for a laboratory…

A: Solution In chemistry, concentration refers to the number of a substance in a very outlined area.…

Q: Suppose 4.08 g of sodium chloride is dissolved in 200. mL of a 0.30 M aqueous solution of silver…

A: To calculate the Concentration of chloride ion we have to first calculate the amount of NaCl left…

Q: Suppose you are titrating vinegar, which is an acetic acid solution of unknown concentration, with a…

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Q: Oxalic acid dihydrate is a solid, diprotic acid that can be used in the laboratory as a primary…

A: Given : Mass of H2C2O4.2H2O titrated = 0.210 g And volume of sodium hydroxide i.e NaOH used = 27.3…

Q: )A stock solution of nitric acid is found in the back of the chem stock room, but the concentration…

A: We have to find concentration of nitric acid

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

A: 1. A process in which an acid reacts with a base and forms a salt, is called neutralisation…

Q: A mixture of bases can sometimes be the active ingredientin antacid tablets. If 0.4826 g of a…

A: Mass of a mixture contains Al(OH)3 and Mg(OH)2 is 0.4826g. Considering mass of Al(OH)3 as ‘x’g and…

Q: Question attached

A: Given: Volume of H2SO4 = 45 mL           Volume of Zn(CH2CH3)2 = 30 mL Molar mass of H2SO4 = 98…

Q: What volume (mL) of the sweetened tea described in the problem below contains the same amount of…

A: Molarity is the no. Of miles of solute in 1 L of solvent.

Q: Q2 Sulphur trioxide gas is obtained by the combustion of pyrites (FeS2) according to the following…

A: Mass of SO3 = 100 kg  Molar mass of SO3 = 80 gm/mole

Q: According to the following reaction, how many grams of water are required for the complete reaction…

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

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Q: A common acid-base reaction that you can do at home uses vinegar (acetic acid, CH3COOH) and baking…

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Q: IN a reaction between copper metal and aqueous iron(III) chloride, Fe3+ is reduced to Fe2+, while Cu…

A: The solution is as follows :

Q: To lift fingerprints from a crime scene, a solution of silver nitrate is sprayed on a surface to…

A: Silver nitrate solution reacts with excess of sodium chloride to form solid silver chloride and…

Q: Does a reaction occur when aqueous solutions of nickel(II) acetate and magnesium iodide are…

A: A reaction occur between two solutions if any solid compound form when they react. So, we would use…