At 300 K, the vapor pressure of pure benzene (C6H6) is0.1355 atm and the vapor pressure of pure n-hexane(C6H14) is 0.2128 atm. Mixing 50.0 g of benzene with50.0 g of n-hexane gives a solution that is nearly ideal.(a) Calculate the mole fraction of benzene in the solution.(b) Calculate the total vapor pressure of the solution at     300 K.(c) Calculate the mole fraction of benzene in the vapor in     equilibrium with the solution.

what is the mole fraction of methanol?

The vapor pressure of diethyl ether (ether) is 463.57 mm Hg at 25 °C. A nonvolatile, nonelectrolyte that dissolves in diethyl ether is aspirin.Calculate the vapor pressure of the solution at 25 °C when 10.18 grams of aspirin, C9H8O4 (180.1 g/mol), are dissolved in 239.0 grams of diethyl ether.diethyl ether = CH3CH2OCH2CH3 = 74.12 g/mol.VP(solution) =  mm Hg

An aqueous solution is prepared by dissolving 1.50 g of hemocyanin, a protein obtained from crabs, in 0.250 L of water. The solution has an osmotic pressure of 0.00342 atm at 277 K. (a) What is the molar mass of hemocyanin? (b) (b) What should the freezing point of the solution be?

What is the mole fraction of solvent in a solution of aqueous sucrose (a nonelectrolyte) that has a vapor pressure of 23.47 torr at 25 °C? The vapor pressure of pure water at 25 °C is 23.77 torr.

What is the mole fraction of solvent in a solution of aqueous sucrose (a nonelectrolyte) that has a vapor pressure of 23.49 torr at 25 °C? The vapor pressure of pure water at 25 °C is 23.77 torr.

The vapor pressure of diethyl ether (ether) is 463.57 mm Hg at 25 °C. A nonvolatile, nonelectrolyte that dissolves in diethyl ether is aspirin.Calculate the vapor pressure of the solution at 25 °C when 10.17 grams of aspirin, C9H8O4 (180.1 g/mol), are dissolved in 151.7 grams of diethyl ether.diethyl ether = CH3CH2OCH2CH3 = 74.12 g/mol.           The vapor pressure of diethyl ether (ether) is 463.57 mm Hg at 25°C.How many grams of estrogen (estradiol), C18H24O2, a nonvolatile, nonelectrolyte (MW = 272.4 g/mol), must be added to 192.1 grams of diethyl ether to reduce the vapor pressure to 452.63 mm Hg ?diethyl ether = CH3CH2OCH2CH3 = 74.12 g/mol.

Pentane (C5H12) and hexane (C6H14) form ideal solution. At 25oC the vapor pressure of pentane and hexane are 511 torr and 150. torr, respectively. A solution is prepared by mixing 30.0mL pentane (density = 0.63g/mL) with 45.0mL hexane (density = 0.66 g/mL). (a) What are the mole fractions of pentane and hexane, respectively,in the solution? (b) What isthe total vapor pressure of the solution at 25oC? (c) What are the mole percent of pentane and hexane, respectively, in the vapor phase at 25oC? (Molar mass of pentane and hexane are: 72.15 g/mol and 86.17 g/mol, respectively.)

what is the mole fraction of NaCl in an aqueous solution when the molality is 3.665mol/kg at 25 degrees celsius. and 1 bar. the density of water at this temp is 0.9997g/mL.

When 14.4 g14.4 g of an organic compound known to be 55.81% C55.81% C, 7.0% H7.0% H, and 37.17% O37.17% O by mass is dissolved in 825.8 g825.8 g of benzene, the freezing point is 4.80 ∘C4.80⁢ ∘C. The normal freezing point of benzene is 5.49 ∘C5.49⁢ ∘C. What is the molecular formula for the organic compound? Assume that the organic compound is a molecular solid and does not ionize in water. ?fKf values for various solvents are given in the colligative constants table. molecular formula: CHO