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 covalent compound and a nonelectrolyte. What is the mole fraction of ethanol in this solution?

Q: A solution contains 10.0 g of carbon tetrachloride, CCl4, and 20.0 g of benzene, C6H6. Calculate the…

A: Given: Mass of carbon tetrachloride =10g Molar mass Carbon tetrachloride = 153.82 g/mol Moles of…

Q: Pentane (C5H12) and hexane (C6H14) form an ideal solution. At 25°C the vapor pressures of pentane…

A: Raoult's Law of Ideal solution states that mole fraction of solvent is directly proportional to the…

Q: The mole fraction of each component of a solution prepared by dissolving 2.30 gg of nicotine,…

A:

Q: What is the boiling point of a solution of 1.0 g of glycerin, C3H5(OH)3, in 47.8 g of water? Assume…

A: Given: Mass of glycerin= 1.0 g  Mass of water= 47.8 g The constants are: To find: The boiling point…

Q: In a 55.0-g aqueous solution of methanol, CH40, the mole fraction of methanol is 0.110. What is the…

A:

Q: A solution contains 10.0 g pentane, CSH12, 10.0 g hexane, C,H14 and 10.0 g benzene, C.H6. What is…

A: Mole can be defined as a standard unit for measuring large quantities of very small entities such as…

Q: 1.Calculate the mole fraction of each component of a solution containing 65 g of ethanol (C2H6O) in…

A: mass of C2H6O=65 g , molar mass=46 g mol-1  mass of H2O=350 g , molar mass = 18 g mol-1  then,

Q: 1m sucrose, 1m NaCl, or 1 m MgCl2.

A: When non-volatile solutes are dissolved in solvent their boiling point increases. This is called…

Q: What is the boiling point of an aqueous solution that has a vapor pressure of 20.5 torr at 25 °C?…

A: According to Raoult’s law, the vapor pressure of the solution is lower than the vapor pressure of…

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

A:

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: The density of acetonitrile (CH3CN) is 0.786 g/mL and the density of methanol (CH3OH) is 0.791 g/mL.…

A: since density = mass / volume  Hence mass = density X volume  => mass of CH3OH = 15.7 X 0.791 =…

Q: Which of the following concentration measures will change in value as the temperature of a solution…

A:

Q: Calculate the mole fraction of each component of a solution containing 65 g of ethanol (C2H6O) in…

A:

Q: The vapor above a mixture of pentane and hexane at room temperature contains 35.5% pentane by mass.…

A:

Q: Pentane ( CsH12) and hexane ( CH4) form an ideal solution. At 25°C the vapor pressures of pentane…

A: Mass of pentane in the solution = Volume × density  =25.0 mL× (0.63 g/mL) = 15.75 gmolar mass of…

Q: Calculate the vapor pressure of a solution prepared by dissolving 25.5 g of naphthalene (C10H8),…

A: Raoult's law: According to Raoult's law, if a non volatile solute is added to a solvent, the vapor…

Q: Pentane (C; H12) and hexane (C6H14) form an ideal solution. At 25°C the vapor pressures of pentane…

A:

Q: An aqueous solution contains 64.0 grams of ethanol (C2H5OH) in 122.0 grams of solution. The mole…

A: Given that mass of ethanol is 64.0 g. Number of moles of has to be determined.

Q: Calculate the mole fraction of the solvent and solution in a solution composed of 46.85 g of…

A: A numerical problem based on mole fraction, which is to be accomplished.

Q: Which concentration unit is used in calculating for the change in the freezing point or boiling…

A:

Q: What is the mole fraction of water in a solution composed of 3.25 g methanol (CH3OH) and 250 g of…

A:

Q: A solution was made by dissolving 6.79 g glucose ( Ce H12 O6) in 31.1 g water ( H2O). What is the…

A:

Q: An aqueous solution of ethylene glycol HOCH2CH2OH used as an automobile engine coolant is 40.0%…

A:

Q: Calculate the percent by mass, mole fraction of H₂SO4 and molality of an 18.0 Molar solution of…

A: here we are required to find the mass percentage, mole fraction, molality of 18M of H2SO4

Q: A chemist combined chloroform (CHCl3) and acetone (C3H6O) to create a solution where the mole…

A: Given: The mole fraction of chloroform (Xchloroform) is 0.139 The density of chloroform is 1.48 g/mL…

Q: Arrange the following aqueous solutions in order of increasing freezing   0.30 molal NaCl, 0.30…

A: Freezing point of solution is inversely proportional to molarity×vant's hoff factor

Q: What is the mole fraction of ethanol in a solution made by dissolving 14.6 g of ethanol, C2H5OH, in…

A: Given : Mass of ethanol i.e C2H5OH = 14.6 g And mass of water i.e H2O = 53.6 g. Molar mass of H2O =…

Q: compounds

A: The question is based on the concept of solutions. it applies the principle of raoult's law of…

Q: The normal boiling point of methanol is 64.7°C. A solution containing a nonvolatile solute dissolved…

A:

Q: What is the vapor pressure of an ideal solution containing 0.500 moles of a nonvolatile solute and…

A:

Q: What is the mole fraction of HCl in an aqueous solution that contains 44.2 g of HCl and 88.6 g of…

A:

Q: When converting from a unit of molarity to molality, weight %, or mole fraction besides the value of…

A: Molarity is number of moles of solute present per unit litre volume of solution.  Molality is…

Q: In a 56.0-g aqueous solution of methanol, CH,O, the mole fraction of methanol is 0.280. What is the…

A: Molar mass of methanol = 32.04 g / mol Let mass of methanol present = a g Mass of water = (56 - a) g…

Q: Pentane (C5H12) and hexane (C6H14) combine to form an ideal solution. At 25°C the vapor pressures of…

A: Introduction to Raoult's law Raoult's law is a physical chemistry relationship that has…

Q: An aqueous solution contains 64.0 g of ethanol (C2H5OH) in 122.0 g of solution. What is the mole…

A: Moles of ethanol = mass of ethanolmolar mass of ethanol = 6446 = 1.39 mol Moles of water = mass of…

Q: An aqueous solution is 26.1 % lithium chloride, LICI, by mass. The density of the solution is 1.127…

A: The molality, mole fraction and the molarity are to be determined for an aqueous solution containing…

Q: An aqueous solution contains 12.5% NaCl by mass. What mass of water (in grams) is contained in 2.5 L…

A:

Q: Calculate the mole fraction of each component of a solution containing 65 g of ethanol (C 2 H 6 O)…

A: Mole fraction is given by the ratio of number of moles of one component to total number of moles of…

Q: In a 50.0-g aqueous solution of methanol, CH,O, the mole fraction of methanol is 0.190. What is the…

A: Let the mass of methanol be x g Mass of water = 50 - x Molar Mass of CH4O = 32 g/mol Molar Mass of…

Q: An ethanol water solution is prepared by dissolving 10.00 mL of ethanol, CH3CH2OH (density = 0.789…

A:

Q: A chemist combined chloroform (CHCI,) and acetone (C,H,0) to create a solution where the mole…

A: Given  mole fraction of chloroform , χCHCl3 = 0.139 χCHCl3 = 0.139  density of chloroform = 1.48…

Q: A solution of urea, CN2H40, molar mass 60.04 g/mol, in water is prepared as follows: 5.161 g urea is…

A: Given: Molar mass of urea = 60.04 g/mol mass of ures = 5.161 g volume of solution = 100.0 mL density…

Q: Which of the following solutions has the largest molality of HCI? Mw (HCI) = 36.5 g . mol-' 4.5 т…

A: Molality is the number of moles of Solute in one kg of the Solvent. It is represented by m. It can…

Q: A certain solution was prepared by mixing 25.0 gram of a nonelectrolyte solute in 75 grams water.…

A:

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

A: Since you have posted a question with multiple questions, we will solve first question for you. To…

Q: Pentane (C5H12) and hexane (C6H14) form an ideal solution. At 25°C the vapor pressures of pentane…

A:

Q: A solution composed of 50.0 g strontium chloride (SrCl)) in 300 g of water at 12.0 °C. What is the…

A: Mole fraction depend number of moles of composition of solution.

Q: An aqueous solution is 6.00 % by mass ethanol, CH3CH2OH, and has a density of 0.988 g/mL. The mole…

A: We have to calculate mole fraction of ethanol .

Q: A 100.0-g sample of a brand of rubbing alcohol contains 66.5 g of isopropyl alcohol, C3H7OH, and…

A: