A 776-mL sample of 0.229 M MgBr, solution is prepared in a large flask. A 76.1-mL portion of the solution is then placed into a empty 100.0-mL beaker. What is the concentration of the solution in the beaker? Concentration= M

Q: What volume of concentrated HCI (12 M) solution needs to be diluted to produce 275 mL of 2.1 M HCI…

A: Since we know that  M1V1 = M2V2 Where ,  M1 = initial concentration  V1= initial volume  M2= final…

Q: A NaF(aq) solution (solution 2) is 9.20% by mass in NaF. Solution 2 has a density of 1.05 g/mL. 415…

A:

Q: The solution was prepared by adding 150 g of sodium hydroxide to 150 g of water, giving a total…

A: Molarity is defined as no.of moles of solute devided by volume of solution in liter.

Q: The density of a 5.58 m aqueous acetic acid is 1.04 g∙mL –1. What is the molar concentration of this…

A: Given that, The density of a 5.58 m aqueous acetic acid is 1.04 g∙mL–1 The molar mass of acetic…

Q: A 12.5% (w/w) NiCl2 (MM=129.61 g/mol) solution has a density of 1.149 g/mL. Calculate the molar…

A:

Q: In the laboratory a student combines 31.8 mL of a 0.232 M sodium sulfate solution with 24.7 mL of a…

A: Number of moles of solute devided by volume of solution in liter is known as molarity.

Q: What volume of stock solution do you need to prepare 50.00 mL of .0125 M HCl solution from 1.25 M…

A:

Q: You have 500 mL of a 0.125 M HCl(aq) solution and you want to dilute it to exactly 0.100 M. How much…

A: The given problem relates to stock dilution, so we can use the below relation to calculate the…

Q: A chemist places 1.5999 g of NaCl in a 100 mL volumetric flask and adds water to the mark and calls…

A: In given problem, they asked for concentration of Na2SO4 and it is given as NaCl. So it will be…

Q: If 52.00 ml of 0.500 M CaBr2 solution is added to 128 ml of 0.320 M solution of KCl solution, what…

A: Answer:- This question is answered by using the simple concept of calculation of the diluted…

Q: You have 15 mL of a 0.25 M NaCl(aq) solution. What volume should you dilute it to in order to obtain…

A: Given: The initial volume (V1) of NaCl (sodium chloride) solution is 15 mL The initial molarity (M1)…

Q: 220 g of lithium bromide is placed into enough water to make 500 mL of solution. 50.0 mL of this…

A: Given mass of lithium bromide = 220 g volume of solution = 500 ml

Q: Imagine you transferred 5.00 mL of 1.75 M HCl solution into an empty 200.00 mL volumetric flask then…

A: Given is Initial Volume of HCl solution = V1 = 5 mL Molarity of HCl solution = M1 = 1.75 M Final…

Q: An aqueous solution (ρ = 0.988 g/mL) is 6.00% methanol CH3OH (molar mass = 32.04 g/mol) by mass.…

A:

Q: A 65.0 mL65.0 mL portion of a 1.50 M1.50 M solution is diluted to a total volume of 228 mL.228 mL. A…

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

Q: A solution of HCl was prepared from a stock solution as follows: 50.00 mL of stock solution was…

A: Given: Volume of stock solution used = 50.00 mL Volume of dilution A prepared = 250.0 mL Volume of…

Q: An aqueous solution of 87 KOH is dissolved in 600 grams of solution. What is the concentration of…

A: Note: Mass of KOH is taken as 87 g. Total mass of solution is (87 g + 600 g) = 687 g

Q: In the laboratory, a student adds 46.1 mL of water to 21.0 mL of a 0.779 M perchloric acid solution.…

A:

Q: What is the molarity of the resulting solution when 300. mL of a 0.600 M aqueous solution is diluted…

A:

Q: A solution of NaOH is 95% by mass and has a density of 1.2 g/ml. How many mL of water should be…

A: Given data is as follows: The mass of NaOH = 95 g in 100 g of solution ( 95% by mass ) Density of…

Q: A student pipets 11 mL of a 0.0155 M solution of CaCl2 into a 100.00 mL volumetric flask and dilutes…

A: Given,

Q: A student needs to prepare 250 mL of a 0.500 M aqueous solution of sucrose, C, H,0, (aq), which is…

A: Preparation of stock solutions are done in Volumetric flask as they have high degree of precision…

Q: What volume of water must be added to 133.3 ml of 4.000 M potassium chloride solution to dilute it…

A: Given: Initial concentration M1 = 4.00 M Initial volume V1 = 133.3 mL. Final Concentration M2 =…

Q: If you had to prepare a 0.200 M HCl solution from 16.0 mL of a 2.70 M HCl stock solution, to what…

A: GIVEN: M1=Initial molar concentration=2.70MM2=Final molar concentration=0.200MV1=Initial solution…

Q: A 125 mL sample of a 14.0 M solution is diluted to 500 mL.  What is the concentration (molarity) of…

A: 1)  Solution 1 : Concentrated solution Concentration of the solution (M1) = 14.0 M  Volume of the…

Q: There is a 12 M aqueous HCl solution in the stock room, but a 1.0 M solution is required for an…

A: Given, a 12 M aqueous HCl solution in the stock.we are askesd to calculate the volume of stock…

Q: A chemist places 2.2352 g of NaCl in a 100 mL volumetric flask and adds water to the mark and calls…

A: Weight of NaCl is 2.2352 gm Molar mass of NaCl is 58.5 gm/mole

Q: An aqueous solution is 12.0% by mass silver nitrate, AGNO3, and has a density of 1.11 g/mL. The…

A:

Q: How many mL of water should be added to 50.0 mL of a 15.0 M H 2SO 4 solution to give a final…

A:

Q: A 230.0-mL sample of a 0.275 M solution is left on a hot plate overnight; the following morning the…

A: Given :-A 230.0 mL sample of a 0.275 m solutions is left on ahot plate overhight, the following…

Q: A student weighs out a 7.23 g sample of CoI2, transfers it to a 125 mL volumetric flask, adds enough…

A: Given: mass of CoI2=7.23 gvolume of solution=125 mL To find: Molarity of CoI2

Q: A 325 mL sample of solution contains 25.3 g of CaCl2.  Calculate the molar concentration of Cl– in…

A:

Q: The density of a solution that is 18.0% by mass lead nitrate [Pb(NO₃)₂] is 1.18 g/mL. Calculate the…

A:

Q: A student pipets 13 mL of a 0.0115 M solution of CaCl2 into a 100.00 mL volumetric flask and dilutes…

A: Given,

Q: The concentration of sodium chloride in blood serum is 0.140 M. What volume of blood serum contains…

A: Molecular weight of NaCl = (23+35.5) = 58.5 gm/mol  So, 6.07 gm of NaCl = 6.07/58.5 = 0.10376 moles…

Q: A student pipets 18 mL of a 0.0459 M solution of CaCl2 into a 100.00 mL volumetric flask and dilutes…

A: Given  Initial Volume of solution ( V1 ) = 18 mL  Molarity ( M1 ) = 0.0459 M  Final Volume of…

Q: In the laboratory a student combines 21.9 mL of a 0.211 M iron(II) iodide solution with 30.0 mL of…

A: Given- Concentration of iron (||)iodide solution= 0.211M Volume of iron (||) iodide solution =21.9…

Q: mass of zinc hydroxide

A:

Q: A student needs to prepare 250 mL of a 0.500 M aqueous solution of sucrose, C,,H,,0, (aq), which is…

A: The given data contains, Volume = 250 ml = 0.250 L Molarity = 0.500 M Molar mass of sucrose =…

Q: In the laboratory a student combines 34.4 mL of a 0.228 M cobalt(II) chloride solution with 23.9 mL…

A: Calculate the number of moles of present in cobalt(II) chloride solution: 1 mL = 0.001 L One mole…

Q: Stock solution of HF is 49 % HF by mass and has a density of 1.17 g/mL.  What is the concentration…

A: The mass percent concentration of HF solution is = 49 % The density of the solution is = 1.17 g/mL…

Q: A student weighs out 3.23 g of KBr, transfers it to a 125. mL volumetric flask, adds enough water to…

A:

Q: calculate the concentration of solution prepared by adding 1.025 g of sodium chloride to enough…

A:

Q: Your teacher asks you to prepare 500 mL of a 2.75 molar solution of NaCl for an upcoming laboratory…

A: Determination of mass of NaCl required for the preparation of solution is as follows; Molarity=Moles…

Q: You will be provided with a stock solution of Red Dye. From the information on the bottle, please…

A: molarity of the stock solution will be 5.71*10-3 M .

Q: Upon adding 275 mL of water to 275 mL of a 0.310 M aqueous solution of NaOH, the concentration of…

A: HALF Concentration = Mass/Volume As the mass of NaOH, or moles of NaOH in solution does not changes…

Q: 50.6 g of sodium chloride is placed into enough water to make 600 mL of solution. 25.0 mL of this…

A: Mass of solute, sodium chloride is = 50.6 g The volume of solution is = 600 mL The molarity of the…

Q: What volume of 5.4 M sodium hydroxide is needed to prepare 233 mL of 0.14 M sodium hydroxide?

A: Molarity (M1) = 5.4 M Volume (V1) = ? Molarity (M2) = 0.14 M Volume (V2) = 233 mL