Calculate the diluted initial [H2O2] ([H2O2]o) using the dilution equation, the molarity of commercial hydrogen peroxide is 0.91 M. ereate a col

Q: A solution was made by dissolving 9.0g of hydrated aluminium sulphate Al2(SO)3 in 250cm3 of…

A: Molarity is number of moles of solute dissolved per litre of solution.

Q: Ascorbic acid (Vitamin C, MW = 176.126g/mol) is a reducing agent, reacting as follows: C6H8O6 …

A:

Q: Part A - Products In Part A, you added a solution of concentrated HCI, and then diluted with water.…

A: The complete reaction between the [CoCl4]2- and water is shown below.…

Q: A 0.5123g sample (molar mass 204.23g/mol) of KHP was dissolved in about 25 mL of distilled water and…

A: Potassium hydrogen phthalate, KHP reacts with sodium hydroxide, NaOH as below.As per the…

Q: A 11.00 gram sample of Vodka was analysed for its alcohol content. The sample was placed in a300 mL…

A: The volume of 1.00 L is equal to 1000. mL. The number of mole (n) of Cr2O72- is calculated as shown…

Q: An unknown solution labeled only by its concentration was analyzed. It was labeled to have 1.000 M…

A: Given: Concentration of X(NO3)2 = 1.000 M Volume of X(NO3)2 = 10.00 mL Concentration of NaOH = 1.000…

Q: Considering the solution of 0.005 M H3PO4, what is the following: 1. All chemical reactions: 2.…

A: Here we are provided with 0.005 M of H3PO4 solution and we are required to write all the chemical…

Q: 250 mg of a sample of minium (Pb3O4) is solubilized and weighed as PbSO4 by going through the…

A: A solution consists of solute and solvent. A solute is defined as the component that is present in…

Q: A10g sample of a substance of unknown molar mass requires 40 mL of standard solution for titration;…

A: Volume of the standard solution = 40 ml or 0.04 L Let the concentration (M) of the standard solution…

Q: In the analysis of a sample for KH2PO4 content, a sample weighing 0.3994 g required 18.28 mL of…

A: Given - Mass of sample = 0.3994 g Volume of KOH solution = 18.28 mL Concentration of KOH solution =…

Q: What is the molarity of a sodium thiosulfate solution is 13.54 mL of the solution was required to…

A: Sodium thiosulfate can be used for the analysis of iodine in any sample. Write the reaction of…

Q: When a sample of the CH,CI, layer with a volume of 6.75 mL is collected, it requires 19.53 mL of a…

A: Solution: Given: The reaction has a 2:1 mole ratio of thiosulfate(S2O32-) to iodine(I2) The…

Q: **** (5) 3 Opper mctal (ind Concentad ted und aad be oonsis hange in , releare of lgas mredcolo…

A: Balanced equation is given by,

Q: To dilute a HCI solution from 0.500 M to 0.100 M, the final volume must be: O 5 times the original…

A:

Q: What is the Molarity of H2SO4 if a (4.2100x10^1) mL sample requires (2.760x10^1) mL of (1.32x10^-1)…

A:

Q: Calculate the molarity of a sol prepared by dissolving 110.0 mg of KMhO4(158 g/mol) in enough water…

A: Given that the weight of KMnO4(W)  = 110.0 mg = 110.0 x 10-3 grams volume if the solution(V) = 150.0…

Q: The amount of ascorbic acid, C6H8O6, in orange juice was determined by oxidizing the ascorbic acid…

A:

Q: The amount of oxalic acid in a sample of rhubarb was determined by reacting with Fet as outlined in…

A:

Q: Phosphorus pentachloride reacts with water to form hydrochloric acid and phosphoric acid (below). A…

A:

Q: If 0.100 grams of unknown solid are dissolved in water and titrated with 4.68 mL of the NaOH, what…

A: Molar mass is grams / moles. We have grams from the weighed mass, we can calculate moles of acid…

Q: calculate the mass of primary standard sodium chloride (MM=58.44) necessary to react with 25 ml of…

A: Molarity is a term used for concentration which shows the moles of solute dissolved per liters of…

Q: B. Use the equation to calculate the following: K,CO3(aq) + 2 HC,H¿O,(aq) → 2 KC,H¿O¿(aq) + H,O(!) +…

A:

Q: Determine the yield of ammonium nitrate.

A:

Q: The reaction between potassium permanganate and sulfur dioxide in acid solution is as follows:…

A:

Q: What mass of Al(OH)3 would be produced if 350.0 mL of 0.4500 M KOH were added to a solution…

A:

Q: 1.0 g of aluminum hydroxide reacts with 25.0 mL of 0.500 M carbonic acid according to the following…

A: Limiting reagant are those reactant which have less value of ratio of mol to stoichiometry…

Q: How many grams of PBSO4 is expected to form when 25 mL of 0.15M Pb(N03)2 reacts with excess NazSO4?

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

Q: A sample of freshly precipitated and filtered silver chloride weighs 459.0 mg. If 1.00 % of the…

A: The chemical equation representing the decomposition reaction of silver chloride is shown below.

Q: of

A: The total ionic equation: 2H+(aq) + S2-(aq) + Cu2+(aq) + 2C2H3O2-(aq) ---->  2HC2H3O2(aq) +…

Q: The proton balance equation for a solution of NagPO4 is O (H3O'1+ [H2PO1+ 3[H3PO4] - (OH'] + 3[PO,1…

A:

Q: (4) If the end point of the titration was calculated to have occurred at a volume of 17.32 mL and…

A:

Q: Which of the tollowing is a bufter system? Ο ΗΝΟ2 and KNO2 O S(OH)2 and Sr(Br)2 O HCl and LiCI O…

A: Buffer solution: The solution that resists the change in pH is known as a buffer solution. The…

Q: A 0.0283 mol of sodium produced from molten sodium chloride, NacI(1) when a specific charge is used.…

A: The question is based on the concept of electrochemistry. we have been given moles of sodium…

Q: B. Use the equation to calculate the following: K,CO3(aq) + 2 HC,H;O,(aq) → 2 KC,H;O,(aq) + H,O(1) +…

A: Given,

Q: A sample of solid Eu(OH)3 was stirred in water at a certain temperature until the solution contained…

A: The concentration of hydroxide ion (OH-) in the solution is determined as follows.…

Q: How many coulombs are released when H2O is oxidized to liberate 1.00 mol O2 in the reaction 2H2O S…

A: The given reaction is: 2H2O → O2 + 4H+ + 4e-

Q: If 11.6 ml of 0.0523 M S2O3 2- reacts with I2 in a sample of PVP-I solution, how many grams of I2…

A: molarity =( no. Of moles of solute ÷ volume of solution in liter) molarity = 0.0523M Volume of…

Q: NaOHbom 0.001 het place in waste viase bon ringe ef and refill with de noitoloa bion oilaxo lo…

A: Given, Molarity of H3PO4 = 0.481M. Volume of Ba(OH)2 = 24.7mL. Molarity of Ba(OH)2 = 0.695M. The…

Q: A. calculate the volume of standardized 0.01 M KMNO4(aq). Needed to completely react with ~0.125 g…

A: Calculate the number of moles of potassium ferrioxalate (n) n = Given massMolar massn = 0.125…

Q: 9) How many grams of AlCl3 (s) Should be dissolved, to prepare 1 liter of a solution in which the…

A:

Q: Chlorine in wastewater could be digested, isolated and converted to HCl and could be titrated with…

A: Wate water contains many compounds which contaminate it. But these can be removed by many chemical…

Q: When the following equation is balanced properly under basic conditions, what are the coefficients…

A: Note: As per our guidelines, we are supposed to answer only the first question, kindly repost the…

Q: Consider the reaction 2 A → B. Initially 1.75 mol A and 0.12 mol B are present. What are the amounts…

A: Extent of a reaction measures the extent in which reaction proceeds. Extent of a reaction has units…

Q: 5. A0.104 M NAOH solution is used to titrate a solution containing 0.124 g KHP (MM = 204.2) and…

A:

Q: If 10. g of AgNO3 is available, what volume of 0.35 M AgNO3solution can be prepared?

A: Given, 10. g of AgNO3

Q: The amount of ascorbic acid, C6H8O6, in orange juice was determined by oxidizing the ascorbic acid…

A: Iodometry involves the indirect titration of iodine in which iodine is liberated by reaction with…

UV Visible Spectroscopy

Spectroscopy refers to the absorption or emission of light or other radiations by matter. When a substance or chemical absorbs light or radiation, they reach an excited state followed by de-excitation or emission of the light or radiation forming distinct spectra. UV-visible spectroscopy or  ultraviolet-visible refers to the absorption and emission in the ultraviolet and visible regions of the electromagnetic spectrum.