Procaine hydrochloride (M= 272.77 g/mol) is used as a local anesthetic. Calculate the molar out of a 4.232 m solution which has a density of 1.1066 g/mL. Report 3 decimal places, without units.

Q: How many milliliters of a 3.95 M LiCl solution contain 13.9 g of LiC? Express your answer with the…

A: MW of LiCl = 42.394 g/mol mass given = 13.9 g Moles of LiCl=13.9 g42.394 g/mol=0.32787 mol

Q: In the laboratory you are asked to make a 0.434 m calcium iodide solution using 375 grams of water.…

A: Given information,   0.434 m calcium iodide solution   Mass of water = 375 grams = 0.375 kg

Q: One solution contains 44% alcohol, and another solution contains 81% alcohol. How many liters of 81%…

A: Given  One solution contains 44% alcohol, and another solution contains 81% alcohol. We need to find…

Q: Question attached

A: We know that, Volume % is given by Volume %=Volume of soluteVolume of solution X 100..............1…

Q: What is the concentration of your stock solution in mM?

A: 1% means 1/100 So, 0.1% = 0.1/100 Thus, 0.1% = 0.1 ug / 100 mL = 0.001 ug/mL

Q: A chemist prepares a solution of barium acetate (Ba (C,H3O2),) by measuring out 291. g of barium…

A: Given: mass of barium acetate = 291. g Volume of barium acetate solution =450. mL…

Q: /hat is the molarity of a solution that contains 639 g CuSO4 in 6.00 L of solution? n the 'Answer'…

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

Q: The mass of solute per 100 ml of solution is abbreviated as (m/v). Mass is not technically the same…

A:

Q: A chemistry student needs 35.0 g of isopropenylbenzene for an experiment. He has available 150. g of…

A: Consider the given information is as follows; Mass of isopropenylbenzene = 150. g…

Q: the laboratory apparatus that is used to dilute accurately a 100 ml solution

A: In this question we have to find correct apparatus accordingly to the question.

Q: A chemist prepares a solution of mercury(II) iodide (HgI,) by measuring out 9.14 mg of mercury(II)…

A:

Q: What is the molarity of 400 mL of solution containing 16 g NaCl? Express your answer to two…

A: Given:Volume of solution= 400mLmass of solute(NaCl) =16gMolar mass of NaCl  =58.44g

Q: O CHEMICAL REACTIONS Using molarity to find solute mass and solution volume -7 Calculate the volume…

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Q: A student prepared a 12.5 M stock solution of CaCl2. What volume of the stock solution in…

A:

Q: What volume of a 4.60 M solution of NaNO3 do you need to make 0.450 L of a 1.00 M solution of NaNO3?…

A: The dilution law is shown below: M1×V1 = M2×V2 M1 = molarity for concentrated solution M2 = molarity…

Q: 7. Calculate the volume of pure isopropanol in the 50 mL you measured, using the %. Recall that a %…

A:

Q: Microbiologists use acid-alcohol when performing a cell stain of the pathogen Mycobacterium…

A: It is given that  3% (weight/volume)HCl is made in ethanol solution =3 gm per 100 ml solution…

Q: reaches

A: mmoles of standard Solution = ( volume • concentration )  Note : 1mM = 10^-3 M  mmoles of standard…

Q: If 25.0 mL of a 3.00 M HCl stock solution are diluted with water to a final volume of 5.00 L, what…

A:

Q: If 120 mL of a 1.2 M glucose solution is diluted to 550.0 mL, what is the molarity of the diluted…

A: Number of moles of solute present in 1 liter of solution is known as molarity of the solution.…

Q: A 215 mLmL sample of ocean water contains 6.9 gg of NaClNaCl What is the molarity of the solution…

A: The ratio of moles of solute to the volume of solution in liters is known as molarity.

Q: How many mL of a 10.78M KI solution are needed to make 2.55 L of a 0.188 M KI solution? Be sure to…

A: The product of concentration (molarity) of the solution and the volume of the solution give the…

Q: You dissolved 3g of dextrose (C6H1206) in 6L of water (Mr(C6H12O6) = 180.156). What is the molar…

A: Given,  Mass of dextrose (C6H12O6) = 3 g  Molar mass of dextrose = 180.156 g/mol  Volume of solution…

Q: A chemist makes 640.mL of mercury(II) iodide HgI2 working solution by adding distilled water to…

A: When a solution of Molarity M1  and volume V1 is diluted by adding water to a final volume V2  and…

Q: "What is the mass percent of ammonia in a solution made by dissolving 3.9 g of ammonia in 65.0 g of…

A: Mass of ammonia = 3.9 g Mass water = 65.0 g

Q: Using molarity to find solute mass Iculate the volume in liters of a 0.208 mol/L copper(II) sulfate…

A: Given -> Molarity = 0.208 mole/L Weight of CuSO4 = 75.0 gm

Q: What volume of a concentrated HCl solution, which is 36.0% HCl by mass and has a density of 1.179…

A: 1)  pH of HCl solution to be prepared =1.9

Q: You were tasked to prepare nitric acid with a concentration of 1.28 M. What will be the volume (in…

A: Recall the data, M1=1.28M, V1=? M2=3.0M , V2=139 ml

Q: molarity

A:

Q: You have a solution of NaCl that has a molarity of  3.359 M.  You want to make a dilute solution of…

A:

Q: A solution is made by mixing 5.40 g of toluene, CHg(1), with 954. mL of chloroform, CHCI3(1).…

A:

Q: Calculate the concentration in /molL of the chemist's barium acetate solution.

A: Number of moles = mass/molar mass  Molarity = moles/volume of solution(in L)

Q: Calculate the volume in mL of the barium chlorate stock solution that the chemist should pour out.

A:

Q: How many milliliters of 18.0 M H2SO4 are required to prepare 35.0 mL of 0.250 M solution?  Report…

A:

Q: A chemist prepares a solution of barium acetate (Ba(C,H;O2),) by measuring out 54. g of barium…

A:

Q: A chemist prepares a solution of barium chlorate (Ba(ClO,)) by measuring out 7.47 umol of barium…

A: Given;

Q: A stock solution has a concentration of 0.250 M. What volume, in milliliters, of the stock solution…

A: Dilution calculation says that,

Q: A chemist prepares a solution of potassium dichromate (K,Cr,O,) by measuring out 35. g of potassium…

A: Molarity of a solution represents the concentration of a solution, which is expressed as mol/L.…

Q: How would you prepare 350 mL of a 1:20 glucose solution? Write your answer with two digits past the…

A: 1:20 glucose solution means 1/20 dilution factor., Volume of solution = 350 ml Required weight of…

Q: 1.4L of a 2.50 M HNO, solution is added to water so that the final volume is 5.0L Express your…

A: Given: Molarity of HNO3 solution = 2.50 M             Volume of HNO3 solution = 1.4 L       On…

Q: What mass (g) of calcium chloride do you need to make 150.0 mL of a 0.750 M solution?

A: Molarity is defined as the number of moles of solutes present in per litre of solution.

Q: A student uses 7.500 grams of oxalic acid (H₂C₂O₄) to make 250.0 cm³ of solution in a volumetric…

A: Given: The mass of the oxalic acid (H₂C₂O₄), (m) = 7.500 grams. The volume of the solution  in a…

Q: What volume (in mL) of a 1.8 M solution is required to make 126 mL of a 0.41 M solution? In the…

A: Given data Initial concentration : C1 = 1.8 M Final concentration : C2 = 0.41 M Final volume  : V2 =…

Q: Calculate the mass of MgCl2 necessary to make 500.0 mL of 1.914 M solution. Report your answer with…

A: Molarity = Number of moles/Volume in Litre Number of moles = 1.914 M × 0.500L…

Q: The concentration of an HCl solution is 0.567 g HCl/g of HCl solution (the solution containing BOTH…

A: Given the concentration of an HCl solution is 0.567 g HCl/g of the solution it means that 1 g of HCl…

Q: You have a stock solution of HCI that is 37.4 % HCl by mass and has a density of 1.20 g/mL. What…

A:

Q: A chemist mixes 72. g of water with 6.2 g of butanoic acid and 27. g of methanol. Calculate the…

A:

Q: The molecular weight of sucrose is 342 g mol-1. How many grams would you need to weigh out, to…

A: •GIVEN=Molecular weight of sucrose=342 gm/mol •Molarity=0.8 M •Volume=20 ml=0.02 Litre •*Firstly we…

Q: molarity of the diluted solution?

A: