Part A A solution composed of 55.0 g lithium iodide (Li) in 200 g of vater at 28.9 °C. What is the mole fraction of Li in this solution? The molar mass of Lil is 133.9 g mot and the molar mass of H,0 is 18.02 g mol". O 0218 O 3.57x10 O 0.064 O 4.82x10 O 0.168

Q: A solution of ethylene glycol and water has a vapor pressure of 7.88 torr at 10°C. Pure water has a…

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Q: 1. Calculate the mole fraction of the solute in the following solutions: a. 100.0 grams C2H60 in…

A: Here, we have to calculate the mole fraction of the solute in: a) 100.0 g of C2H6O in 100.0 g H2O.…

Q: The freezing point of water is 0.00°C at 1 atmosphere. How many grams of nickel(II) nitrate (182.7…

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Q: A solution is made using 67.5 g of toluene (MM = 92.13 g/mol) and 80.0 g of benzene (MM = 78.11…

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Q: A solution is made by dissolving 46.8 g of glucose (M. wt = 180) in 117 g of water (M. Wt 18). The…

A: Answer: option a: 0.96 is the mole fraction of water.

Q: What mass of cesium bromide must be added to 0.500 L of water (d = 1.00 g/mL) to produce a 0.913 m…

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Q: What would be the theoretical freezing point of a solution made by dissolving 13.57 g of NiCl 2 in…

A: Given:  Mass of NiCl2 = 13.57 g  Molar mass of NiCl2 = 129.5994 g/mol  Mass of water = 500 gm  Kf =…

Q: What is the mole fraction of solute A (molar mass = 36.01 g/mol) in a 7.920 mol/kg aqueous solution…

A: Mole fraction (X) is defined as the ratio of moles of each component to the sum of the moles of all…

Q: A solution composed of 05.0 g strontium chloride (SrCl2) in 250 g of water at 22.7 "C. What is the…

A: The mole fraction can be defined as shown below:  Mole fraction of a component=Number of moles of…

Q: The solubility of oxygen gas in water at 40 °C is 1.0 mmol per literof solution. What is this…

A: Given, The solubility of oxygen gas in water at 40 °C is 1.0 mmol per literof solution.

Q: In a 55.0-g aqueous solution of methanol, CH4O, the mole fraction of methanol is 0.110. What is the…

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Q: a sulfuric acid solution has a density of 1.85 g/cc. calculate the molality and normality of 2 liter…

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Q: The mass percent of THF (MM = 72.11 g/mol) in methylene chloride (MM = 84.93 g/mol) is 38.9%.  What…

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Q: A solution is made using 162.7 g of dimethyl ether (MM = 46.07 g/mol) and 90.0 g of methanol (MM =…

A: Mole fraction is defined as the number of molecules of a constituent divided by the total number of…

Q: which

A: We will find out lowest Vapour pressure

Q: A non volatile, non electrolyte that dissolves in the organic solvent toluene, C7H8, is prednisone.…

A: Given  The vapor pressure of  toluene = 82.75mm Hg  mass of prednisone = 8.29 g  molar mass of…

Q: A solution was made by mixing sodium chloride ( NaCl) and water ( H2O). Given that the mole fraction…

A: Given a solution, mixture of sodium chloride and water.mole fraction of sodium chloride =0.0541 and…

Q: A solution is made using 141.5 g of phenol (MM = 94.11 g/mol) and 70.0 g of acetone (MM = 58.08…

A: The mass of phenol = 141.5 g The mass of acetone is = 70.0 g The molar mass of phenol is = 94.11…

Q: You have a solution which is 47.8% by mass isopropyl alcohol (MM = 60.11 g/mol) in water. The…

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Q: The mole fraction of methanol in a solution that contains 16 g of methanol (32 g/mol) and 90 g of…

A: "Since there are multiple subparts, we will answer only the first three subparts. If you require the…

Q: A solution is made of two volatile solutes: Chemical A (with a pure vapor pressure of 80.0 mm Hg)…

A: Given data,Q1) Pure vapor pressure of chemical A=80mmHgPure vapor pressure of chemical…

Q: 3. What is the mole fraction of methanol, CH3OH, (molar mass = aqueous solution that is 40.0%…

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Q: 6.) Which is the mole fraction of X in a 0.05560 m aqueous X solution? A. 0.999 B. 0.101 C. 0.00100…

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Q: The mass percent of decane (MM=142.29 g/mol) in benzene (MM=78.11 g/mol) is 42.23%. What is the mole…

A: Mass percent of decane = 42.23%  If mass of decane = 42.23 g then mass of mixture = 100 g and mass…

Q: You have a solution which is 44.3% by mass isopropyl alcohol (MM = 60.11 g/mol) in water. The…

A: Mole fraction is given by mole of one solute divided by sum of number of moles of solute and…

Q: A solution consists of 61.5 g of water (18.02 g/mol) and 45.2 g of ethanol (60.6 g/mol). Ethanol is…

A: Given: Mass of the water= 61.5 g The molar mass of the water= 18.02 g/mol Mass of the ethanol= 45.2…

Q: You have a solution which is 45.7% by mass isopropyl alcohol (MM = 60.11 g/mol) in water. The…

A: Mass percent of isopropyl alcohol is 45.7%. So, 45.7 g of isopropyl alcohol is present in 100 g of…

Q: A solution is made using 26.1 g of toluene (MM = 92.13 g/mol) and 80.0 g of benzene (MM = 78.11…

A: Mole fraction of toluene = number of moles of toluene/total moles  Number of moles= mass/molar mass…

Q: A solution is made using 111.5 g of dimethyl ether (MM = 46.07 g/mol) and 90.0 g of methanol (MM =…

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Q: A solution composed of 75.0 g magnesium iodide (Mgl)) in 300 g of water at 9.7 °C. What is the mole…

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Q: A solution is made using 137.9 g of dimethyl ether (MM = 46.07 g/mol) and 90.0 g of methanol (MM =…

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Q: Choose the aqueous solution that has the highest boiling point. Assume ideal van't Hoff factors. O…

A: Boiling point elevation: The formula used here is, ∆Tb = i × Kb × m Tb(solution) - Tb°(water) = i ×…

Q: A 750 mL solution (d = 1.05 g/mL) is made by dissolving 83.0 g of NaOH in water. %3D a. What is the…

A: We have to predict the  A. Molarity  B. % mass  C. Mole fraction

Q: What mass of cesium bromide must be added to 0.500 L of water (d = 1.00 g/mL) to produce a 0.422 m…

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Q: Bam makes a second solution, adding 6.64 g of Co(CH3COO)2 to 42.51 mL of H20. Calculate the…

A: Given: Mass of Co(CH3COO)2 = 6.64 g And volume of water = 42.51 mL. Mass of water = density X volume…

Q: What is the mole fraction of ethanol in a solution made by dissolving 51.2g of ethanol, C2H5OH, in…

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Q: A chemist wants to determine the molar mass of a naturally occurring substance isolated from…

A: Given information:Mass of solute = 5.131 gMass of solvent = 25.00 gVapor pressure of solution (P) =…

Q: What is the mole fraction of NazSO4 (Molar mass = 142 g/mol) in an aqueous solution which is 11.5%…

A: Mole fraction is the ratio of moles of a particular element to the total moles present. mole…

Q: A solution is prepared by mixing 2.18 mol C-H16, 3.73 mol C3H18, and 4.56 mol C9H20. What is the…

A: No.of mole of C7H16 = 2.18 mol No.of mole of C8H18 = 3.73 mol No.of mole of C9H20 = 4.56 mol Mole…

Q: A solution is made using 174.5 g of phenol (MM = 94.11 g/mol) and 70.0 g of acetone (MM = 58.08…

A: We know that,. mole fraction of phenol = no. of mole of phenol/(total moles of the solution) thus,

Q: 5. The vapor pressure of benzene is 73.03 mm Hg at 25 °C. A nonvolatile, nonelectrolyte that…

A: Relative lowering of vapour pressure     =  (Po-P)/Po  where Po is vapour pressure of pure solvent…

Q: Calculate the vapor pressure at 85.0°C of a solution prepared by dissolving 0.600 mol of liquid…

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Q: A solution is made using 119.3 g of toluene (MM = 92.13 g/mol) and 80.0 g of benzene (MM = 78.11…

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Q: 5. Which of the following solutions has the lowest normal boiling point? A) 0.10 mol Al(NO,), B)…

A: When non volatile solute dissolved in solvent boiling point of solvent increases this is called…

Q: 1. What mass of cesium chloride must be added to 0.500L of water to produce a 0.40m solution? What…

A: Given :- molality of CsCl solution = 0.40 m  volume of water = 0.500 L  density of water = 1g/mL  To…

Q: A solution is made by dissolving 46.8 g of sucrose (M. wt = 342) in 117 g of water (M. wt 18). The…

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

Q: How many milliliters of water must be added to 18.5 g of C6H12O6 in order to obtain a solution with…

A: We have to predict the mass of water needed.

Q: What mass of cesium bromide must be added to 0.500 L of water (d = 1.00 g/mL) to produce a 0.739 m…

A: Molality is the total moles of a solute contained in a kilogram of a solvent. Molality is also known…

Q: What is the mole fraction of water in a solution that contains 70.2 g of urea and 23.1 g of water?…

A: Given,  Mass of urea (solute) = 70.2 g  Mass of water (solvent) = 23.1 g  Molar mass of urea = 60.06…

Q: The mole fraction of urea (MW = 60.0 g/mol) in a solution prepared by dissolving 45 g of urea in 50…

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