Biphenyl, C12H10, is a nonvolatile, nonionizing solute that is soluble in benzene, C6H6. At 25 °C, the vapor pressure of pure benzene is 100.84 torr. What is the vapor pressure of a solution made from dissolving 19.9 g of biphenyl in 25.8 g of benzene? (anwser needs to be in torr)

A nonvolatile solute is dissolved in benzene so that it has a mole fraction of 0.153. What is the vapor pressure of the solution in torr? (P° of benzene is 26.5 torr)

Biphenyl, C₁2H₁0, is a nonvolatile, nonionizing solute that is soluble in benzene, CH. 10' At 25 °C, the vapor pressure of pure benzene is 100.84 Torr. What is the vapor pressure of a solution made from dissolving 17.3 g of biphenyl in 33.9 g of benzene? Psolution = Torr

The normal boiling point of methanol is 64.7°C. A solution containing a nonvolatile solute dissolved in methanol has a vapor pressure of 730.0 torr at 64.7°C. What is the mole fraction of methanol in this solution? Mole fraction of methanol

When 10.1 g of an organic compound known to be 54.53% C, 9.2% H, and 36.32% O by mass is dissolved in 677.6 g of cyclohexane, the freezing point is 3.07 °C. The normal freezing point of cyclohexane is 6.59 °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. Kf values for various solvents are given in the colligative constants table. molecular formula: CHO

You have a aqueous solution of NaCl that has a freezing point of -6.45 °C. Assuming a van't Hoff factor of 1.9 for NaCl, what is the mass percent of chloride ion in the solution? (Kf for water is 1.86 °C･kg/mol).

What is the mole fraction of acetone, C3H6O, in the vapor phase from a solution consisting of a mixture of acetone and ethyl acetate, CH3COOCH2CH3, at 30.00 °C, if the total pressure above the solution is 202.2 torr? The vapor pressures of pure acetone and NaN at 30.00 °C are 285.0 torr and 118.0 torr, respectively.

Biphenyl, C12H10,C12⁢H10, is a nonvolatile, nonionizing solute that is soluble in benzene, C6H6.C6⁢H6. At 25 ∘C,25⁢ ∘C, the vapor pressure of pure benzene is 100.84 Torr. What is the vapor pressure of a solution made from dissolving 18.1 g18.1 g of biphenyl in 28.4 g28.4 g of benzene? ?solution=                                                Torr

DThe ing Ig of bacy mass. Calculate thle dose in milligrams fo a 155 lb person. (1 15-453.599) recommerded adult oose of Elivop hylline a drug useg to tret asthma, is &on

At 25.0 °C, 100.0 mL of an aqueous solution containing 45.2 mg of a molecular solute has an osmotic pressure of 18.4 Torr. The molar mass of the solute is ___ g/mol.