A chemist adds  345.0mL  of a  0.229 M potassium permanganate  KMnO4  solution to a reaction flask. Calculate the millimoles of potassium permanganate the chemist has added to the flask. Round your answer to 3 significant digits

Q: A chemist prepares a solution of copper(II) sulfate CuSO4  by measuring out  64.8g  of copper(II)…

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Q: A50 ml. sample of a 48 0 % (m/v) acetic acid (HC,H3O2) solution is added to water to give a final…

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Q: A chemist prepares a solution of copper(II) sulfate CuSO4 by measuring out 7.84g of copper(II)…

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Q: Calculate the concentration in /μmol/L of the chemist's magnesium fluoride solution.

A: Given :- number of moles of MgF2 = 0.00387μmol  Volume of solution = 100 mL  To be calculated :-…

Q: In the laboratory you dilute 4.46 mL of a concentrated 6.00 M hydrochloric acid solution to a total…

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Q: What is the mass % of propylene glycol in a 2.77 M solution of propylene glycol (MM = 76.09 g/mol)…

A: Mass percent shows the mass of solute present during a given mass of solution.  Mass percent is…

Q: An analytical chemist weighs out 0.047 g of an unknown monoprotic acid into a 250 mL volumetric…

A: Molar mass of unknown monoprotic acid as shown below

Q: Calculate the mass of precipitate (in g) produced when 75 mL of 6.00 mol/L sodium hydroxide solution…

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Q: students are asked to prepare solid lead(II) chloride (PbCl2) according to the following balanced…

A: The given reaction is,                        Pb(NO3)2 (aq)+ 2NaCl (aq)= PbCl2 (s) +2NaNO3(aq)…

Q: A chemist prepares a solution of silver(I) perchlorate (AgCIO,) by measuring out 5.9 × 10´ µµmol of…

A: Concentration in terms of molarity is defined as the moles of solute present per litre of the…

Q: An analytical chemist weighs out 0.133 g of an unknown diprotic acid into a 250 mL volumetric flask…

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Q: 1. A solution of sodium bicarbonate is prepared by adding 45.00 g of sodium bicarbonate to a 1.00-L…

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Q: A chemist adds 40.0 mL of a 0.083 mmol/L sodium thiosulfate (Na, S,0,) solution to a reaction flask.…

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Q: A chemist adds 325.0 mL of a 0.21M potassium dichromate (K,Cr,O,) solution to a reaction flask.…

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Q: n the laboratory, a student dilutes 19.3 mL of a 9.21 M hydrobromic acid solution to a total volume…

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Q: An aqueous solution of nickel(II) nitrate, Ni(NO3)2, is made by dissolving 8.96 grams of nickel(II)…

A: Weight / Volume % is defined as the mass of solute present in 100 mL of Solution.

Q: A 50.0 mL aqueous stock solution of 0.67 M HCl is diluted to a final volume of 188.1 mL. What is the…

A: The volume of stock solution before dilution (Vi) = 50.0 mL The molarity of stock solution before…

Q: A chemist prepares a solution of silver perchlorate AgClO4 by measuring out 0.58kg of silver…

A: Mass of silver perchlorate=0.58 kg=580 g  Molar mass of silver perchlorate = 207.319 g/mol Moles =…

Q: grams of aspirin tablets are dissolved in water and titrated with the NaOH from an initial volume of…

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Q: How many mL of concentrated hydrochloric acid (16.0 M) is required to prepare 251 ml of 6.00 N…

A: The question is based on the concept of solutions. we have been given a stock solution and we have…

Q: A 10.00 mL sample of a test solution is diluted in an environmental laboratory to a final volume of…

A: The volume of the sample= 10.00 mL The concentration of the sample= c g/L The volume of the diluted…

Q: An analytical chemist weighs out 0.131 g of an unknown monoprotic acid into a 250 mL volumetric…

A: Given: Weight of monoprotic acid is 0.131 g. Volume of acid is 250 mL. Molarity of NaOH is 0.1800 M.…

Q: Write a balanced chemical reaction and determine the type of the reaction then calculate the mass of…

A: Solution: We know the hydroxide salt of metals are generally insoluble. Since, the are very very…

Q: A chemist adds 0.25L of a 0.726 M nickel(II) chloride NiCl2 solution to a reaction flask. Calculate…

A: Moles is considered as a unit to depict solute's amount dissolved in any specified solution. It is…

Q: A 15.2-g sample of sodium carbonate is added to a solution of acetic acid weighing 19.4 g. The two…

A: Soln

Q: Determine the molarity of a solution prepared by dissolving 155.6 g of citric acid, C3H5O(COOH)3, in…

A: Mass of citric acid=155.6 g   Molar mass of citric acid = 192.124 g/mol Moles = Mass ÷  Molar mass…

Q: A 12.7 g sample of an aqueous solution of hydroiodic acid contains an unknown amount of the acid. If…

A: Given data,Mass of sample=12.7gMolarity of NaOH=0.325MVolume of NaOH=24.2mL=0.0242L

Q: Chemists often prepare dilute solutions by mixing a more concentrated solution with additional…

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Q: An analytical chemist weighs out 0.115 g of an unknown monoprotic acid into a 250 mL volumetric…

A: Given; The volume of the NaOH solution=8.5 mL = 0.0085 L. The molarity of NaOH = 0.1500 M. The given…

Q: A 20.00 mL sample of 0.1015 M nitric acid is introduced into a flask, and water is added until the…

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Q: An analytical chemist weighs out 0.120 g of an unknown diprotic acid into a 250 mL volumetric flask…

A: Let the diprotic acid be H2A. Given, mass of diprotic acid = 0.120 g            volume of diprotic…

Q: Which of the units could be used to quantify the concentration of a solution of CuCl2? % g M·s–1 M…

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Q: An analytical chemist weighs out 0.091 g of an unknown triprotic acid into a 250 mL volumetric flask…

A: During a Titration, at equivalence point , the substance reacts completely with the added substance.…

Q: What mass of solute  (in grams) is present in 303.6 mL of 2.28 M nitric acid solution? Enter only…

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Q: Suppose 1.24 g of sodium chloride is dissolved in 200. mL of a 28.0 m M aqueous solution of silver…

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Q: An analytical chemist weighs out 0.066 g of an unknown monoprotic acid into a 250 mL volumetric…

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Q: An analytical chemist weighs out 0.067 g of an unknown diprotic acid into a 250 mL volumetric flask…

A: Given,  Mass of diprotic acid     = 0.067 g  Volume of diprotic acid = 250 mL  =  0.25 L Molarity of…

Q: A chemist adds 125.0 mL of a 0.183M potassium dichromate (K,Cr,O,) solution to a reaction flask.…

A: Mass of Potassium Dichromate can be calculated in the following way:

Q: What is the concentration of a solution prepared by diluting 17.3 mL of a 2.25 M solution of…

A: Dilution of the solution: When we dilute a concentrated solution with pure water, the mole of solute…

Q: A chemist adds 250.0 mL of a 0.0987µM barium acetate (Ba(C,H,O,) solution to a reaction flask.…

A: Given, The volume of the solution is 250 ml = 0.25 L The molarity of barium acetate is 0.0987 μM =…

Q: Determine the volume of 0.145 M NaOH solution required to neutralize each sample of hydrochloric…

A: According to the equation,MV = constant.Then,M1V1 = M2V2M1 = Molarity of NaOHV1 = Volume of NaOH.M2…

Q: A chemist adds 315.0mL of a 0.00335μM copper(II) fluoride CuF2 solution to a reaction flask.…

A: Moles can be found out by multiplying volume with molarity.

Q: An analytical chemist weighs out 0.112 g of an unknown monoprotic acid into a 250 mL volumetric…

A: We need to use molarity equation to solve this question.

Q: Determine the concentration of a solution prepared by diluting 25.0 mL of a stock 0.188 M Mg(NO3)2…

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Q: A chemist adds  230.0mL  of a  0.233 M potassium dichromate  K2Cr2O7  solution to a reaction…

A: Given : Concentration of K2Cr2O7 = 0.233 M And volume of solution used = 230.0 mL = 0.230 L…

Q: A chemist prepares a solution of nickel(II) chloride NiCl2 by measuring out 97.μmol of nickel(II)…

A: Molarity of a solution is defined as the amount of solute present in one litre of solution. It is…

Q: An aqueous solution of sodium chloride,NaCl , is made by dissolving 1.01 grams of sodium chloride in…

A: Weight/volume percentage= Mass of soluteVolume of solution×100%

Q: An analytical chemist weighs out 0.279 g of an unknown diprotic acid into a 250 mL volumetric flask…

A: The given data contains, mass = 0.279 g. Volume = 250 ml. Molarity of NaOH=0.1400 M. Volume of NaOH…

Q: A chemistry student weighs out 0.0960 g of phosphoric acid (H,PO4), a triprotic acid, into a 250. mL…

A: Given: Mass of H3PO4  = 0.0960 g Volume of H3PO4 solution = 250.0 mL = 0.250 L Molar mass of H3PO4 =…

Q: A chemist adds 490.0mL of a 0.339M silver perchlorate AgClO4 solution to a reaction flask. Calculate…

A: Given that,490.0mL of 0.339M silver per chlorate solution.