Consider a 0.250 M solution of KCl (molar mass= 74.55 g/mol) How many moles of KCI are in 168 ml of the solution? Do not put units in your answer. Report your answer to three decimal places.

Q: A solution has a concentration of 0.05 grams per kilogram. What is its concentration in parts per…

A: Formula- ppt  = parts per thousand = mass of solute in gmass of solution in g x 103 ppm = parts per…

Q: Use floating decimal in your solutions but express all final answers to four (4) decimal places and…

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Q: 5. A solution of sodium hydroxide has a density of 1.14 g/mL and contains 32.8% sodium hydroxide by…

A: Dilution :-  If a solution of molarity M1 and volume V1 is diluted by adding water to a solution of…

Q: How many moles of hydrochloric acid are present in 75.8 mL of 0.765 M hydrochloric acid? Report your…

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Q: You want 85 g of KOH to be dissolved in 1.5 liter of solution. What is the normality of the…

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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: 27. Determine the molarity of a solution made when 260.52 g of H2SO4 are dissolved in 2.94 liters of…

A: The molarity of a solution is defined as the number of moles of solute dissolved per litre of the…

Q: To make a .250 m solution, one could take 0.250 moles of solute and add O 1.00 L of solvent. O 1.00…

A: Step-1givenmolarity of solution=0.250 mNumber of moles of solute =0.250 moles

Q: 6.0 M HCl solution must be diluted to 0.50 M. If the diluted solution has a total volume of 300.0…

A: Assuming V mL of the concentrated HCl is needed Since the process is dilution  hence the moles of…

Q: An aqueous solution of KBr is prepared by dissolving 85.7 g of KBr in enough water to make 2.89 L of…

A: GIven: Mass of KBr=85.7 g Molar mass= 119.002 g/mol The volume of the solution=2.89 L Molarity of…

Q: Casey needs to prepare 100.0 mL of a 0.50 M NaOH solution from a 2.0 M NaOH solution. How should…

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

Q: The concentration of a solution of lithium chlorite dissolved in water is 12.5% by mass. In a…

A: Given, mass % of lithium chlorite dissolved in water = 12.5 % mass of water = 52.5 g mass of sample…

Q: 4. You need to make 1 liter of a 5 M solution of sodium chloride (NaCl). The molecular weight of…

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Q: Calculate the molarity of 126.2  mL of diluted NaOH solution prepared from 16.6 mL of 6.9  M NaOH…

A: To solve this problem we will use the formula of dilution law .  According to this law  M1V1 = M2V2…

Q: In Part A of this experiment you will prepare 0.1 M solutions of sodium carbonate (Na2CO3), sodium…

A: Molarity: The number of moles of solute present per liter of the solution is known as molarity.…

Q: Calculate the molarity of the solution when 14 mL of solution contains 0.128 g of ammonium…

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Q: 4. Determine the molarity of a solution containing 2.40g of sodium chloride (NaCI) in 40.0g ml of…

A: Molarity of solution is define as the number of moles of solute(n) dissolve in 1 litre of solution…

Q: A solution is prepared with 5.0 g of HCl and 195.0 g of H2O. The HCl solution has a density of 1.49…

A: The number of moles for a given chemical species refers to the ratio of mass of the species to that…

Q: How many grams of sucralose (molar mass=397.6 g/mol) are needed to make 635.0 mL of a 0.132 M…

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Q: What is the volume in mL needed to prepare a 0.4 M NaOH solution using 1.6 g of NaOH? The molar mass…

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Q: What is the molarity of a solution that contains 126 g NaCl (molar mass = 58.44 g/mol) in 0.2 L…

A: Molarity is a concentration term for a solution. The molarity of the given solution is defined as…

Q: Dye stock solution      concentration               blue———     0.3523               Yellow.…

A: The given problem is a simple question of mole concept and here we have to find out the molar…

Q: when doing a test to find the molarity of solution of hydrochloric acid, the following results were…

A: Accuracy: Accuracy refers to how closely the measured value of the quantity corresponds to its…

Q: How many grams of sodium hydroxide are present in 247.0 mL of a 0.500 M NAOH solution? mass of…

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Q: Calculate the molarity of the solution when 1005 mL of solution contains 0.037 g of barium acetate.…

A: Given: Mass of barium acetate=0.037 g Volume of the solution=1005 mL=1005/1000=1.005L…

Q: Express your answer with three significant digits. Do not include units! g/mol A sample solution has…

A: According to the question we have a sample of solution whose concentration is given which is, The…

Q: What is the molarity of sodium chloride in solution that is 13.0% by mass sodium chloride and that…

A: Determination is the molarity of sodium chloride: Given: Mass of sodium chloride is = Density…

Q: What is the mass of the solvent (in grams) in 1.000 L of an aqueous 1.500 M NaCl solution? Be…

A: This question belongs to solution chapter.

Q: How many grams of KBr are in 250.0 g of solution?

A: Percent by mass = (mass of KBr/mass of solution) × 100%

Q: What mass (in grams) of sodium sulfate, Na2SO4, is needed? Mass 24.85 9 You know the volume (5.00 x…

A: Standard solutions are identified to have a known concentration. The relationship between…

Q: A 15% wt/wt AgNO3 solution has a density of 1.141 g/mL, what is its concentration in terms of M?…

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Q: How many grams of sodium hydroxide are present in 247.0 mL of a 0.400 M NaOH solution?

A: Given values are -> Volume of NaOH =247.0ml Molarity of NaOH = 0.400M

Q: Enter your answer in the provided box. What volume (in milliliters) of a 0.245 M NaOH solution…

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Q: How many grams of copper sulfate would you need to make 4 L of a 6 M copper sulfate solution (m.w. =…

A: Given: Volume of CuSO4 = 4.0 L Concentration of CuSO4 = 6.0 M Molar mass of CuSO4 = 160.0 g/mol

Q: 26. Determine the molarity of a solution made when 273.10 g of iron (III) chloride are dissolved in…

A: Molarity is defined as the ratio of number of moles of solute ( iron chloride)  to volume of…

Q: What is the molarity of sodium chloride in solution that is 13.0 % by mass sodium chloride and that…

A: Given, density of NaCl = 1.01 g/mL Mass % = 13.0 % Molar mass of NaCl = 58.44 g/mol Molarity of NaCl…