A solution contains a mixture of pentane and hexane at room temperature. The solution has a vapor pressure of 258 torr. Pure pentane and hexane have vapor pressures of 425 torr and 151 torr, respectively, at room temperature. What is the mole fraction composition of the mixture? (Assume ideal behavior.)

Q: Pentane and hexane form an ideal solution. At 25.00°C, the vapor pressure of pentane is 488.9 torr…

A:

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: A nonvolatile solute is dissolved in benzene so that it has a mole fraction of 0.139. What is the…

A: The vapor pressure of a solution can be calculated using Raoult's Law. This law states that the…

Q: The partial molar volumes of acetone and chloroform in a mixture in which the mole fraction of…

A: Given, The partial molar volume of acetone and trichloromethane in a mixture in which the mole…

Q: mass

A:

Q: What is the vapor pressure above a solution prepared by dissolving 0.318 mol of a nonvolatile solute…

A:

Q: A solution was made by dissolving 8.01 g sodium chloride (NaCl) in 46.5 g water (H2O). What is the…

A: Given: Mass of sodium chloride (NaCl)=8.01 g Mass of water (H2O)=46.5 g The molar mass of sodium…

Q: A 100.0-g sample of a brand of rubbing alcohol contains 66.2 g of isopropyl alcohol, C3H7OH, and…

A: Given: Mass of isopropyl alcohol= 66.2g Mass of water=33.8g

Q: Hydrogen peroxide is a powerful oxidizing agent that is used in concentrated solution in rocket…

A: The concentration of the hydrogen peroxide as a percentage by mass = 30% (w/w) This means that, mass…

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: You want to prepare an aqueous solution of ethylene glycol, in which the mole fraction of solute is…

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: I need to make a solution of 50% ethanol in water (by mass). The partial molar volume of water is…

A: The given solution is 50% ethanol in water by mass. Assume the mass of solution be 100 g. Thus, mass…

Q: A solution is prepared by mixing 0.0500 mole CH2Cl2 and 0.100 mole CH2Br2 at 25 oC. Assume this is…

A: Given, moles of CH2Cl2  = 0.0500  Moles of CH2Br2= 0.100  Total moles = 0.0500 + 0.100 = 0.15

Q: A solution of sodium chloride in water has a vapor pressure of 19.6 torr at 25°C. What is the mole…

A: a) According to the Raoult's Law, the vapour pressure of a non volatile solute solution is given by…

Q: At 20°C, the vapor pressure of ethanol is 45 torr and the vapor pressure of methanol is 92 torr.…

A:

Q: An aqueous solution is 1.00 % by mass ethanol, CH3CH₂OH, and has a density of 0.996 g/mL. The mole…

A: Given,the mass percent of ethanol, CH3CH2OH in the aqueous solution = 1.00 %density of the solution…

Q: A solution contains 3.95 g of carbon disulfide (CS2) and 2.43 g of acetone (CH3COCH3). At 35 °C the…

A: The mole fraction of carbon disulphide is calculated as shown below.

Q: A nonvolatile solute is dissolved in benzene so that it has a mole fraction of 0.287. What is the…

A:

Q: A solution is composed of 1.90 mol cyclohexane (P°=97.6 torr) and 2.60 mol acetone (P°=229.5 torr).…

A: Explanation All liquids intend to vaporize independent of the temperature if the pressure is higher…

Q: A benzene (C₆H₆) solution contains an unknown amount of p-dibromobenzene (C₆H₄Br₂) as a solute. Dry…

A: The Raoult's law indicates that the partial pressure of any volatile species is related to the vapor…

Q: 282 moles of ethylene glycol is added to 442 moles of water at room temperature. The vapor pressure…

A:

Q: A solution contains a mixture of pentane and hexane at room temperature. The solution has a vapor…

A: Given :-  vapor pressure of solution = 248 torr  vapor pressure of pure hexane = 151 torr  vapor…

Q: Octane (C₈H₁₈) has a vapor pressure of 14.3 torr and a density of 0.703 g/mL. Benzene (C₆H₆) has a…

A: The objective of this question is to calculate the vapor pressure of a solution containing octane…

Q: 4. An aqueous solution contains 5.0% NaCl by mass. Calculate the molality and mole fraction of the…

A:

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: An aqueous antifreeze solution is 38.5% ethylene glycol (C2H6O2) by mass. The density of the…

A:

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: 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: The vapor in equilibrium above a hexane-pentane solution at 25°C has a mole fraction of hexane equal…

A: As per Dalton's law, the mole fraction of the component in the vapor phase is given by the…

Q: Ethanol, CH3 CH2OH, is known as grain alcohol and is the alcohol found in alcoholic beverages.…

A: Molar mass of ethanol = Atomic mass of C X 2 + Atomic mass of H X 6 + Atomic mass of O = 12 X 2 + 6…

Q: What are the mole fraction and molality of a solution that contains 0.850 g of ammonia, NH3,…

A: Given: Mass of ammonia =  0.850 g Mass of water = 125 g To find: Mole fraction? Molality?

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

A: (b) Given that, vapour pressure of the pentane at 25oC is 511 torr. A solution is prepared by mixing…