A solution is made by mixing 15.g of water and 75. g of acetone ((CH3)2CO). Calculate the mole fraction of water in this solution. Be sure your answer has the correct number of significant digits.

Q: What are ideal and non ideal solutions?

A: If the solution obeys Rault’s law over a wide range of concentration at a specified temperature.…

Q: At a certain temperature the vapor pressure of pure water is measured to be 155. torr. Suppose a…

A: Given Vapor pressure of pure acetone = 155 torr Mass of acetone = 69.2 g Mass of water = 59.9 g…

Q: solution is prepared by adding 40.00 g of lactose (milk sugar) to 110.0 g of water at 55degree…

A: According to the Raoult's law, the vapour pressure of solution is given by  Vapour pressure of…

Q: Calculate the molal concentration of a solution of 44.9 g of naphthalene, C10H8, in 175 g of…

A: Please find your solution below : Molality is a measure of concentration which is defined as the…

Q: A solution is made by mixing 141. g of heptane (C,H16) and 106. g of benzene (C,H). Calculate the…

A: The mole fraction of a component is the ratio of no of moles of component present to that of no of…

Q: A solution is made by mixing 54. g of heptane (C,H16) and 104. g of acetyl bromide (CH,COB1).…

A: The substance's mole fraction is equal to the ratio of moles of the given substance to the total…

Q: An ethylene glycol solution contains 21.2 g of ethylene glycol (C2H6O2) in 85.4 ml of water.…

A:

Q: A solution is prepared by dissolving 17.75 g sulfuric acid, H2SO4, in enough water to make 100.0 mL…

A: Number of moles of sulfuric acid = given mass / molar mass =17.75 g / 98.079 g/mole = 0.18 mole

Q: A solution is prepared by mixing 75 g of water, H;0 and 85 g of ethanol C,H;OH. Determine the mole…

A: Given: Mass of water, H2O = 75 g Mass of ethanol, C2H5OH = 85 g Molar mass of H2O = Atomic mass of H…

Q: A solution is made by mixing 13.g of water and 73. g of acetone ((CH3)2CO). Calculate the mole…

A: To calculate mole fraction of water, it is required to calculate the moles of water and acetone…

Q: A solution is made by mixing 67. g of acetyl bromide (CH,COB1) and 103. g of heptane (C,H16).…

A: Given: mass of acetyl bromide=67 gmass of heptane=103 g To find: The mole fraction of acetyl bromide…

Q: An aqueous solution contains 82.5 g of isopropyl alcohol (C3H7OH) in 218.5 g of solution. What is…

A: given mass of isopropyl alcohol = 82.5 g mass of solution = 218.5 g standard values molar mass of…

Q: In the lab, a student needs to determine the van't Hoff factor for a deicer in water. Using the same…

A: The depression in freezing point is given by  depression in freezing point = i X Kf X m  where i =…

Q: A student dissolves 5.0 g of benzoic acid (C,H,0,) in 350. mL of a solvent with a density of 1.19…

A: Given- Mass of benzoic acid - 5.0 g Volume of solvent = 350 ml Density of solvent = 1.19 g/ml   To…

Q: A student takes 58.6 grams of ethanol and adds 54 grams of water to it.  What is the mole fraction…

A: Given information:Mass of ethanol = 58.6 gMass of water = 54 g

Q: Calculate the mole fraction (of each component) of a solution prepared by dissolving 125 mL of pure…

A: It is defined as the number of moles of the solute to the total number of moles. mole fraction= no.…

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: In an experiment analyzing a hand sanitizer at 20 degrees celsius, the density of ethanol,…

A: Here we are required to find the density of an ideal solution containing 62.00% by mass of ethanol…

Q: A student dissolves 4.9g of methanol CH3OH in 275.mL of a solvent with a density of 1.06/gmL…

A: Given information: Mass of solute = 4.9 g Volume (V) = 275 mL                      = 0.275 L Density…

Q: Express the 1% Sodium Lauryl Sulfate (NaC 12 H 25 SO 4; ρ=1.01 g/ml) solution in the following…

A:

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

A:

Q: Sucrose (C12H22011) and fructose (C6H1206) are nonelectrolyte solids. - Solution (1) : A 200.0 mL…

A: The false statements have to be identified.

Q: A solution is prepared by mixing 1.00 g of ethanol (C2H5OH) with 100.00 g of water to give a final…

A: In order to calculate the molarity and the mole fraction we first write down the given data: Mass of…

Q: a. Determine the boiling point of a 15%w/w aqueous sodium chloride solution. b. Determine the…

A: Elevation in boiling point : When a non volatile solute is added to pure solvent its boiling point…

Q: a solution of sucrose is labeled as 20%[w/w].what would be the mole fraction of each component of…

A: The mole fraction of the substance is determined by taking the ratio of the number of moles of the…

Q: You have a solution which is 44.4% by mass isopropyl alcohol (MM = 60.11 g/mol) in water. The…

A: Given data,m/v% of isopropyl alcohol=44.4%Molar mass of isopropyl alcohol=60.11g/molDensity of…

Q: Determine the freezing point of a solution prepared by dissolving 10.0 g of camphor (C10H16O) in…

A: Given information:Mass of camphor is 10.0 gMass of benzene is 90.0 gKf is 5.12oC/mnormal freezing…

Q: At a certain temperature the vapor pressure of pure heptane (C,H6) is measured to be 465. torr.…

A: Given data,Pressure of pure heptane=465 torrMass of heptane=114gMass of benzene=103g

Q: Two volatile substances are mixed with one another so that the solution has a vapor pressure of 125…

A: Raoult's law for volatile solute states that in a solution, the vapour pressure of a component at a…

Q: Why is the vapor pressure of a solution different from the vapor pressure of the pure liquid…

A: While adding the non-volatile solute into the solvent, the tendency of solvent molecule to evaporate…

Q: A certain substance X has a normal freezing point of 1.7 °C and a molal freezing point depression…

A: Given data contains, Freezing point of the substance X is 1.7°C. Molal freezing point depression is…

Q: At a certain temperature the vapor pressure of pure methanol (CH,OH) is measured to be 112. mmHg.…

A: To calculate the partial pressure of the methanol first of all we calculate the mole fraction of the…

Q: Isopropyl alcohol is mixed with water to produce a 40.0% (v/v) alcohol solution. How many…

A: Solution Isopropyl alcohol (IUPAC name propan-2-ol; additionally known as isopropyl, isopropyl…

Q: A solution is made by mixing equal masses of methanol, CH, O, and ethanol, C, H,O. Determine the…

A: Let both are taken 1 gm  Molecular weight of CH4O = 12+4+16 = 32 gm/mol and C2H6O = 24+6+16 = 46…

Q: An ethylene glycol solution contains 21.2 g of ethylene glycol (C2H6O2) in 85.4 mL of water.…

A:

Q: A solution was prepared by dissolving 120 g of NaCl in 250 g of H2. What is the mole fraction of…

A: Given, A solution was prepared by dissolving 120 g of NaCl in 250 g of H2.  Mole fraction can be…

Q: How many milliliters of each component are present in 805 mL of this solution?

A: %v/v = {volume of solute(mL)/volume of solution(mL)} × 100  Solute = isopropyl alcohol  Volume of…

Q: An aqueous solution is 6.00 % by mass hydrochloric acid, HCl, and has a density of 1.03 g/mL. The…

A:

Q: A solution is made by mixing 114. g of acetyl bromide (CH, COBR) and 83. g of heptane (C,H16).…

A:

Q: A solution is made by mixing 97. g of acetyl bromide (CH,COB1) and 146. g of heptane (C,H16).…

A: Given that : Mass of acetyl bromide (CH3COBr) = 97.0 g Mass of heptane (C7H16) = 146.0 g Mole…

Q: Explain the difference between an ideal and a nonideal solution.

A: In an ideal solution, the magnitude of solute-solvent interactions is similar to solvent-solvent and…

Q: The molal boiling point elevation constant K,= 0.90 °C·kg•mol -1 for a certain substance X. When 26.…

A:

Q: A solution is prepared by adding 25 g of C6H12O6 of glucose to 100 g of water. The resulting…

A:

Q: What is the mole fraction of ethanol of an aqueous solution that is 20% ethanol?

A: Given : Ethanol = 20%

Q: A student dissolves 10. g of phenol (C,H;OH) in 175. mL of a solvent with a density of 1.03 g/mL.…

A: 10g phenol is dissolved  The solvent amount is 175 ml The density of the solvent is 1.03g/ml

Q: What mass (g) of sodium nitrate must be added to 500 ml of water to prepare a solution that is…

A:

Q: At a certain temperature the vapor pressure of pure water is measured to be 233. mmHg. Suppose a…

A:

Q: A 2.039 mass % aqueous solution of potassium hydroxide has a density of 1.05 g/mL. Calculate the…

A:

Q: A solution is made by mixing 34. g of acetyl bromide (CH;COBR) and 148. g of thiophene (C,H,S).…

A:

Q: A solution is made by mixing 141. g of water and 29. g of acetone ((CH,) CO). Calculate the mole…

A: