Using concentration as a conversion factor, how many moles of solute are in 844 mL of 2.09 M MgSO4? Using concentration as a conversion factor, how many liters are needed to provide 2.500 mol of (NH2)2CO from a 1.087 M solution

Q: When answering this problem, report the answer with the appropriate number of significant figures.…

A: We have to calculate the concentration of iodide ion.

Q: A 1.37 M aqueous solution of citric acid (H3C6H5O7) has a density of 1.10g/cm^3. What is the mole…

A: Assume you have 1 L of the solution. That 1 L will contain 1.37 mol citric acid, and the solution…

Q: What volume (in mL) of 12.0 M H2SO4 is needed to contain 32.14g H2SO4? Show the solutions

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Q: How much in mL of the stock solution did you use?  How much water in mL did you add?  What is the…

A: Molarity is the number of moles of solute dissolved to make 1L solution. The purpose is to make…

Q: Calculate [ I- ] given the following information: In a test tube, 2.0 mL 0.060 M KI solution 4.0 mL…

A: The initial concentration of KI or I- (M2) is calculated as follows:

Q: Calculate the molarity of the following solution: 0.50 moles of CaCl, in 3500 mL of solution. (SHOW…

A: Molarity(M) is the moles of solute per unit volume of the solution in liters. It's unit is mol/L

Q: If the density of NaCl solution is 1.02 g/ml, calculate the molarity of NaCl solution (neglecting…

A: Given,  Density of NaCl solution = 1.02 g/mL  Density of the water = 1.00 g/mL  Molarity of NaCl…

Q: 1. Remember that all solutions used in this experiment contain 0.50 M HNO;. What happens to the HNO3…

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

Q: What volume in mL of 0.300 M NaF would be required to make a 0.0365 M solution of NaF when diluted…

A: According to formula, M1V1       =        M2V2 Before Dilution                After Dilution M1 =…

Q: Find the molarity of acetic acid prepared by diluting 34.9 mL of concentrated (glacial, 17.4 M)…

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Q: Dilutions : M,V1 = M2V2 1. If I dilute 350 mL of a 0.40 M CaCl, solution to a volume of 530 mL, what…

A: 1) Intial concentration = M1 = 0.40 M      Intial Volume = V1 = 350 mL      Final concentration = M2…

Q: Please calculate the grams of each substance needed to make the following solutions: One-half…

A: Given: The volume of the solution of CaSO3, (V) = 05 L. The molar mass of CaSO3, (M) = 120.17 g/mol.…

Q: Dapsone tablets, labelled 50 mg has an average tablet weight of 0.6509 g.  2.0g of powdered tablets…

A: Given: Dapsone tablets, labelled 50 mg has an average tablet weight of 0.6509 g.  Mass of powdered…

Q: Review Topica) References) Use the References to access important values if needed for this…

A: The question is based on the concept of mass percentage.   amount of substance present in hundred…

Q: KHP + NaOH—> KNaP +H2O Data of trial Mass of KHP : 0.8084g Initial buret containing NaOH reading:…

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Q: 3. How much bagoong (fish paste) in grams will you add to 1.5 kg mixed vegetables to be able to come…

A: The answer is 642.85gm not 300 gm

Q: How many milliliters of 0.225 M HBr would be needed to react completely with 25.0 mL of 2.24 M…

A: Train track method is generally use for unit conversion.

Q: trial molarity of Hci molarity of NaOH volume of HCI volume of NaOH 1 1M 2M 200mL 200mL 2 1M 1M…

A: Limiting reagent is the species which present in lesser amount and get completely consumed during a…

Q: Dapsone tablets, labelled 50 mg has an average tablet weight of 0.6509 g.  2.0g of powdered tablets…

A: The balanced reactions given are, 1) NaNO2 + HCl → HNO2 + NaCl2) R-NH2 + HNO2 + HCl → R-N2Cl + 2 H2O…

Q: How much of the stock solution do you need to prepare 425 mL of  0.600 M Al2(SO4)3 from 2.00 M…

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

Q: 1a) 0.1% = ? ug/ml? Only include the number and not any units

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Q: When answering this problem, report the answer with the appropriate number of significant figures.…

A: Give that the solution is prepared by mixing KI(aq), Na2S2O3(aq), water, KBrO3(aq) and HCl(aq). Here…

Q: You are provided with a 2.5mg/ml stock solution. In the experiment you are to use a 0.05mg/ml…

A: 1.  C1  ×  V1   =  C2  ×  V2   C1 = Initial concentration V1 = Initial Volume C2 = Final…

Q: What volume in mL of 0.1354 M NaOH is required to nitrate 15.00 ML of 0.1002 M acid (HAc)?

A: An aqueous solution consists of at least two components , the solvent and the solute. It can be…

Q: What was the concentration of my stock solution if I used 34mL of it to make 125ml of a 1.6 M…

A: Given, Stock solution: Concentration of the stock solution (M1) = ? Volume of the stock solution…

Q: : A 12.1 Moles NaOH solution means there are 12.1 moles of NaOH in liter of solution. Preparation of…

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Q: (a) Explain why dissolving a precisely known mass of solid NaOH and making the solution up to 250.0…

A: Volumetric flask is used for preparing a fixed volume of solution. Like for preparing 250 ml…

Q: Express the concentration of a 0.0160 M aqueous solution of fluoride, F−, in mass percentage and in…

A: The molarity of the fluoride ion is = 0.0160 M The density of the solution is = 1.00 g/mL The molar…

Q: Solute S has a distribution constant of 4.2 between water (phase 1) and hexane (phase 2). Calculate…

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Q: "To what volume should you dilute 0.200 L of 15.0 M NaOH to make 3.00 M NaOH? Make sure to show your…

A: The number of moles of NaOH remains conserved in both the solutions. Let the number of moles of NaOH…

Q: a) What is the percent concentration of a solution made by mixing 22.5 g of sodium chloride in 35g…

A: % w/w =( mass of solute/mass of solution) × 100  Molarity = number of moles of solute / volume of…

Q: Preparation of standard ethylenediaminetetraacetic acid copper(II) disodium salt solution Mass of…

A: For the ethylenediaminetetraacetic acid copper (II) disodium salt solution : Mass = 0.613 g Molar…

Q: Sample B 0.110m Sample C 0.110m 0.110 m 8. Molarity of NaOH solution (average from part A) 0.00ml…

A: SAMPLE A The neutralization reaction for acetic acid with NaOH is, CH3COOH(aq) + NaOH(aq) →…

Q: 2. What is your smallest volume that you can comfortably measure with your P20 pipettor? Can you…

A: Solution is a homogeneous mixture of solute and solvent. Concentration of a solution is the amount…

Q: consider the compound tartrazine (Yellow 5 food dye) that has a chemical formula of C16H9N4Na3O9S2.…

A: According to the Beer’s law, shown in equation (1) where Ɛ is the molar absorptivity and l is the…

Q: What concentration of Br−results when 641 mL of 0.733 M KBr is mixed with 703 mL of 0.505 M FeBr2?

A: The concentration of Br- ion in the mixture containing  641 mL of 0.733 M KBr and 703 mL of 0.505 M…

Q: Describe exactly how to prepare a series of 8 solutions of a reagent with dilution factor of 2…

A: The chemical solutions are diluted by using below formula,

Q: What willl be the Molar concertration of the 288.9  HCl solution prepared from 3 mL of concentrated…

A: 1- First calculate the moles of HCl :  Mass of HCl = [ Density × Volume ]  Mass of HCl = [ 1.18g/mL…

Q: When answering this problem, report the answer with the appropriate number of significant figures.…

A: Given : concentration of KI used = 0.010 M Volume of KI solution used = 5.00 mL = 0.005 L…

Q: A chemist attempts to prepare some very pure crystals of borax by dissolving 100g of Na2B4O7 in 200…

A:

Q: If this lab's procedure were carried out using 20.51 ml each of 0.249 M K2CrO4 and 0.159 M Pb(NO3)2.…

A:

Q: A chemist attempts to prepare some very pure crystals of borax by dissolving 100g of Na2B4O7 in 200…

A:

Q: Suppose you will prepare a 1:1 by ass NaOH solution using 30g NaOH of 97% purity (density=2.13g/mL).…

A: Weight percent Solution: Simply it is the amount of solute in grams per 100 grams of solution.…

Q: What volume (in mL) of 30.0% hydrogen peroxide solution is required to provide the mass required in…

A:

Q: Use the information given to find the answer  Part A.) 6MM IN 25 mol of hexane (g)  (Keep in mind…

A: Given the experimental information, we can calculate the desired unknowns.

Q: 1. What is the % volume of a 100.0 mL solution that contains 3.50 mL acetic acid? 2. Rubbing…

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

Q: A stock solution of potassium permanganate (KMnO4) was prepared by dissolving 17.1 g  KMnO4 with DI…

A: Given, Mass of KMnO4 = 17.1 g Volume = 100mL

Q: A chemist attempts to prepare some very pure crystals of borax by dissolving 100g of Na2B4O7 in 200…

A:

Q: How much in mL of the stock solution did you use?  How much water in mL did you add?  What is the…

A: We have to make a 1.75M solution of HNO3

Q: If this lab’s procedure were carried out using 38.77 mL each of 0.16 M K2CrO4 and 0.248 M Pb(NO3)2.…

A: Given volume of both K2CrO4 and Pb(NO3)2 is 38.77 mL. Given strength of K2CrO4 solution is 0.16 M…