What is the molarity of 400 mL of solution containing 16 g NaCl? Express your answer to two significant figures and include the appropriate units.

Q: What aliquot of 20.0 mg L-1 nitrite stock solution required to prepare 80.00 mL of 15.0 mg L-1…

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

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: Calculate the molarity of a solution prepared by dissolving 12.50 grams of NaNO3 in 250. mL of…

A:

Q: An aqueous solution of potassium sulfate, K2SO4 , is made by dissolving 15.1 grams of potassium…

A: Given: Mass of K2SO4 = 15.1 g. And volume of solution filled = 250 mL = 0.250 L…

Q: How many mL of water is in 950.0 mL of a 0.25 M NaCl solution? The Density of NaCl=2.165g/mL

A: Molarity (M) The equation to calculate molarity is ; M=given massmolar mass×volume of solution(L)

Q: How much sodium chloride, in grams, is needed to make 10 L of a solution that has a concentration of…

A: Molarity = Moles / Volume (in litres)

Q: You were tasked to prepare nitric acid with a concentration of 1.64 M. What will be the volume (in…

A:

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

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Q: What is the concentration of a solution of 15.3 g of CuSO4 diluted to 400.0 mL with distilled water?…

A: Molar mass of CuSO4 = Atomic mass of Cu + Atomic mass of S + Atomic mass of O X 4 = 63.5 + 32 + 16 X…

Q: If 124 mL of a 1.2 M glucose solution is diluted to 550.0 Express your answer using two significant…

A: Given: M1 = 1.2 M V1 = 124 mL. V2 = 550.0 mL

Q: 37.0 g of KOH from a 30.0 %(m/m) KOH solution Express your answer to three significant figures and…

A: The mass percent (% m/m) represents the concentration of solution, which is calculated as follows,…

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: What volume of a 0.550 M solution of potassium hydroxide can be made with 18.3 g of potassium…

A: Formula used:  Mole = weight/ Molar weight Molarity = no of Mole / volume in L  Given that  Weight…

Q: A) An aqueous solution of sodium nitrate, NaO3, is made by dissolving 21.6 grams of sodium nitrate…

A: Given data,Mass of sodium nitrate=21.6gVolume of solution of sodium nitrate=500mLMass of ammonium…

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: Calculate the molarity of 79.5 g of HCl in 2.00 L of an HCl solution. Express your answer with the…

A: Molarity =no of moles of solutevolume of solution in litres

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: 3. Convert 5 feet 7 inches to millimeters.

A: Given,  Convert 5 feet 7 inches to millimeter = ?

Q: Calculate the percent mass per volume, % (m/v), of a dextrose solution containing 7.00 g of dextrose…

A:

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: A chemist prepares a solution of potassium permanganate (KMNO) by measuring out 26.3 µmol of…

A: The chemist has prepared a 400mL potassium permanganate solution in a flask.

Q: Q2/ The density of a solution prepared by dissolving 120 g of urea (60 g/ mol) in 1000 g water is…

A: Given  Density of a solution = 1.15 gram/mL  Molar mass of Urea   = 60 gm/mole Molarity = ? 1 mL =…

Q: In the laboratory you dilute 5.54 mL of a concentrated 3.00 M hydrochloric acid solution to a total…

A: Given data is as follows: The Molarity of the hydrochloric acid  M1=3.00 M The volume HCl = 5.54 mL…

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: 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: How many moles of solute are present in 300. mL of a 0.60 M solution of NaOH? Please report your…

A:

Q: What volume of a 1.63 mass % solution of Mg(NO3)2 is needed to contain 0.316 grams of Mg(NO3)2. The…

A:

Q: Your lab partner gets out a 100-mL graduated cylinder and a 100-mL beaker to prepare 100.00 mL of…

A: We already have a 1.201 M solution. We need to dilute it to make 100ml of 0.1201 M

Q: A chemist prepares a solution of vanadiumIII bromide VBr3 by measuring out 0.40g of VBr3 into a…

A: Molar mass of VBr3 = Atomic mass of V + 3 X Atomic mass of Br = 51 + 3 X 80 = 291 g/mol Given : Mass…

Q: What is the molarity of 1.3 L of solution containing 26 g of NaCl?Express your answer to two…

A: Molarity = number of moles of solute / volume of solution in liter number of moles of solute = 26gm…

Q: The density of an aqueous solution that is 27.4% by mass of XCI2 (molar 130.94 g/mol) is1.16 g/mL.…

A: given percent by mass XCl2 = 27.4℅ molar mass XCl2 = 130.94 g/mol density = 1.16 g/ml

Q: What is the molarity of a solution that is made from 37.1 g of MgCl2 in enough water to make 910 mL…

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Q: a. Starting with a 1M stock of NaCl, a researcher prepares a 100 mM working solution. The dilution…

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Q: Consider a 0.95 M solution of NaCl (molar mass = 58.44 g/mol). How many moles of NaCl are in 163.5…

A:

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

A: Given;

Q: A chemist prepares a solution of vanadiumIII bromide VBr3 by measuring out 0.50g of VBr3 into a…

A:

Q: Answer the following question: How many moles of ammonia are in 500. mL of a 2.25 M aqueous ammonia…

A:

Q: Five standard solutions of HBr are prepared by serial dilution in which, at each stage, 10.00 mL are…

A: Five standard solutions of HBr are prepared by serial dilution in which, at each stage, 10.00 mL are…

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 volume of a .32 M Mg(NO3)2 solution contains 45 g of Mg(NO3)2?

A:

Q: Lead is a toxic metal that affects the central nervous system. A Pb-contaminated water sample…

A: Percent mass of a solute is related to mass of a solution as shown below:

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: A 7.91 mass % aqueous solution of ethylene glycol (HOCH2CH2OH) has a density of 1.36 g/mL. Calculate…

A: Density is defined as mass per unit volume. Mathematically, it is expressed by equation (1).Molarity…

Q: A 6.00 %% (m/v) NaClNaCl solution contains 13.8 gg of NaClNaCl. What is the total volume (VVV) of…

A:

Q: Calculate the percent mass per volume, % (m/v), of a dextrose solution containing 8.00 g8.00 g of…

A: Mass per volume percentage concentration is defined as the mass of the substance in grams dissolved…

Q: A chemistry student needs 20.0 g of thiophene for an experiment. She has available 1.5 kg of a 6.84%…

A: GivenConcentration of solution = 6.84 % w/wMass of available solution = 1.5 kg = 1500 gMas of…

Q: Alcoholic beverages come in many different concentrations denoted by their weight percent (w/w). If…

A: Given , mass of ethanol = 10 g

Q: Glucose (C,H,206) solutions are frequently used as an intravenous (IV) solution to supply hydration…

A: A numerical problem based on quantitative analysis, which is to be accomplished.