How many milligrams of MgI2 must be added to 282.0 mL of 0.0756 M KI to produce a solution with [I−] = 0.1000 M? Express the anwer in mgmg to three significant figures.

Q: Sodium formate reacts with permanganate in neutral solution according to the equation CHO2 + MnO4 +…

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Q: In one trial of the standardization of a Na2S2O3 solution, a 10.00 mL volume of 5.00×10-3 M KIO3 is…

A: Given data is as follows: The volume of KIO3 = 10.00 mL The concentration of KIO3 = 5.00×10-3 M The…

Q: Chemistry What is the dilution factor of a 12.0M solution of FePO4(MW:151g/mol) if said solution…

A: Given that -  Molarity of FePO4 Solution = 12.0 M  Molecular weight of FePO4 = 151 g/mol  Initial…

Q: 25 mL of a bleach (NaOCl) sample is diluted to 500 mL. An excessive amount of KI is added to the 20…

A: The question is based on the concept of quantitative analysis . we have to calculate percentage of…

Q: Mark and John, two vinegar enthusiasts, are each tasked to determine the acetic acid content of…

A: Given: Mass of KHP = 0.540 g Molecular weight of KHP = 204.22 g/mol Purity of KHP = 99.4% Volume of…

Q: In one trial of the standardization of a Na2S2O3 solution, a 10.00 mL volume of 5.00×10-3 M KIO3 is…

A: Solution is given below in next step

Q: You are asked to prepare a 1.000L solution of 45 M CHOs (glucose, molar mass 180 16 g/mol) in a lab…

A: The number of moles of glucose is calculated as shown below. The number of moles of glucose is 4.50…

Q: By pipet, 19.00 mL  of a 0.823 M stock solution of potassium permanganate (KMnO4) was transferred to…

A: Solutions comprising a definite solute always follows a generalized expression known as "molarity…

Q: Qe A solution is Brefared by disidving R6g AgNoz ina 250-mL Volumetric Hask and diluting to Volume.…

A: Given, Mass of AgNO3 = 1.26 g Molar mass of AgNO3 = 169.9 g/mol Volume of Solution = 250 ml = 0.25 L…

Q: The toxicity of DDT (C14H9Cl5) led to a ban on its use in the United States in 1972. Determinations…

A: We have to predict the concentration of DDT .

Q: ) 0.100 g of Na½CO3 is added to a 200.0 mL solution of 1.00 x 103 M Ca(NO3)2. Calculate Q. -x 106

A: First of all we have to calculate concentration of the species

Q: A solution is prepared by dissolving 0.5482 grams of iron(III) nitrate in enough water to make 100.0…

A: Molarity (M) :-  The number of moles of solute dissolved in one litre of solution is known as…

Q: Exactly 410.4 mg of primary standard potassium acid phthalate (KHP), formula weight 204.2, is…

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Q: KHP (aq)+NaOH (aq)-->NaKHP (aq)+H2O(l)   Trial  Vi (mL) Vf (mL) 1 36.19 48.56 2     3       A…

A: According to the chemical equation, the number of moles of KHP react with NaOH are equal.

Q: 100.0 ml. of 0.800 M KI solution is mixed with 100.0 mL of 0.500 M Pb(NO); solution. How many grams…

A: The given data: The volume of KI = 100 mL The molarity of KI = 0.8 M The volume of Pb(NO3)2 = 100 mL…

Q: A 11.00-mL sample of this stock solution is th metric flask and diluted to the mark with wate new…

A: Mw of (NH4)2SO4 = 132.14 g/mol  Moles = mass/Mw   = 10/132.14  = 0.0757 mol  Volume= 100.0 mL = 0.10…

Q: From 0.8 av lb of 20% w/w KOH solution, O72.6 121 142 86.2 g of 12 percent w/w KOH may be produced.

A: A question based on dimensional analysis that is to be accomplished.

Q: What volume of 1.50 MSrCl2 is needed to prepare 525 mL of 5.00 mMSrCl?

A: 5.00 mM=0.00500M Here we use the formula =  M1V1=M2V2

Q: Mark and John, two vinegar enthusiasts, are each tasked to determine the acetic acid content of…

A: Given: mass of KHP = 0.540 g Volume of KHP stock solution = 10.0 mL Volume of diluted KHP solution =…

Q: Find the milliliters of 0.250M KOH needed to neutralize 115.0 mL of 0.834 M H,PO,. Write and balance…

A: The balanced chemical equation for the neutralization reaction between KOH and H3PO4 is  3 KOH +…

Q: What is the percentage concentration of a 1:10,000 solution of epinephrine HCl (MW 219.20)? (b) If…

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Q: 3. (a) If 10.0 mL of H,SO4 (sp. Gr. 1.50, containing 48.7% of combined SO3 by weight 400 mL, what is…

A: Given Conditions → Volume of the Sulphuric Acid solution =10 ml. Specific Gravity = 1.5 :: Specific…

Q: We want to determine the purity of alum sample bought in a local pharmacy in Miagao. A Chem 28…

A: Mass of sample = 1.5879 gm  Mass of Al2O3 = 0.1572 gm  Molar mass of potash alum = 474.4 gm/mole…

Q: The quotient of 12.987g divided by 20.0cm^3

A: Given,12.987 g divided by 20.0 cm3

Q: 5 ml of substance (A) is titrated with 38 ml of 0.1 M of substance (B). if the legal minimum percent…

A: Volume of A = 5 mlVolume of B = 35 mlMolarity of B = 0.1 Mdensity of A = 19/mlMo.wt of A = 61…

Q: A solution is 0.0420 m KI. What is the molarity of the solution if the density is 1.10 g/mL? MW KI =…

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Q: (ii) A student was given 400 cm of aqueous ammonia solution, NH, (aq). The student was asked to…

A: The balanced reaction given is: 2NH3(aq)+H2SO4(aq)→(NH4)2SO4 Conversion unit: 1 L=1 dm31 L=1000 cm3…

Q: A solution was prepared by dissolving 435 mg of K3Fe(CN)6 in enough water to give 945 mL of…

A: As the question contains multiple sub-parts so only the first three are solved in this solution. If…

Q: The aluminum in a 1.200g sample of impure ammonium aluminum sulfate was precipitated with aqueous…

A: Mass of Sample is 1.200 g. Mass of anhydrous Al2O3 is 0.2001 g. Calculation of no. of mol of…

Q: Ammonia (NH,, MM 17.031 g/mol) and hypobromite (OBr") react according to the following chemical…

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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: What volume of 0.0521 M Ba(OH)2is required to neutralize exactly 14.20 mL of 0.141 MH3PO4?…

A: n-factor of barium hydroxide is 2 and that of phosphoric acid is 3.

Q: To prepare 50 mL solutions of 0.1 M CuSO4 in water (calculation to prepare chemicals in…

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Q: Please calculate the volume in mL of a solution containing 35.5 grams of sodium sulfate with a…

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Q: What is the percentage purity of sodium hydroxide pellets, 1.0056 g of which was titrated with 21.5…

A: Solution The mole construct may be a convenient methodology of expressing the quantity of a…

Q: A 10.00 mL aliquot of vinegar (acetic acid, CH3COOH - 60.08 g/mol) was diluted in a 100.00 mL…

A: Given that,  Volume of aliquot of vineger = 10.0 mL Volume of diluted aliquot of vineger = 100 mL…

Q: Solution A was prepared by weighing 6.08 grams of K3Fe(CN)6 (MW 329.2 g/mol) and dissolving the…

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Q: What is the acetic acid concentration of Mark’s and John’s vinegar in molarity given that the…

A: Standardisation of KOH 0.540 g of KHP require 2.80 mL of KOH                         Molar mass of…

Q: 5 ml of substance (A) is titrated with 38 ml of 0.1 M of substance (B). if the legal minimum percent…

A: Molarity of substance A can be calculated using the relation: M1V1=M2V2 from molarity, moles of A…

Q: What volume, in mL, of 0.264 M HCl is needed to neutralize 15.0 mL of 0.404 M Sr(OH)2? Express your…

A: Neutralization reaction: The hydrogen ion of an acid reacts with the hydroxide ion of a base to form…

Q: The indicator of Moher regent is. О Кcro4. KCrO4. O KMN04.

A: What indicator used in Moher reagent ?

Q: To prepare 50 mL solutions of 0.01 M KMnO4 in water (calculation to prepare chemicals in…

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Q: A solution of 0.332  M   KOH  is used to titrate 16.0  mL  of a 0.192  M   H3PO4  solution. What…

A: No. of moles = Molarity × volume We need to balance ( no. of moles ÷ stoichiometric coefficient) .…

Q: a. How would you prepare the KOH solution? b. After standardization, what will be the exact…

A: Given -  KOH Solution volume = 500 mL  KOH Molarity = 0.250 M  KOH molar mass = 56.106 g/mol  KHP…

Q: Calculate the mass of CO2formed if 150 mL of 0.5 M C4H10reacts with excess O2

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

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Q: ind the concentration of Pb?* ions in a solution made by adding 5.00 g of lead (1) iodide to 500. mL…

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Q: 2.) 0.100 g of Na2CO3 is added to a 200.0 ml solution of 1.00 x 103 M Ca(NO3)2. Calculate Q. Q = x…

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Q: Potassium hydrogen phthalate, known as KHP (molar mass = 204.22 g/mol), can beobtained in high…

A: Given:

Q: without punctuation, e.g, ABC.) Without doing any calculations it is possible to determine…

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