The freezing point of p-dichlorobenzene is 53.1 °C; its kf value is 7.10 °C/m.  A solution of 1.52 g of sulfanilamide (a nonelectrolyte) in 10.0 g of p-dichlorobenzene freezes at 46.7 °C.  What is the molar mass of sulfanilamide

3) A student weighed 1.75 g of an unknown molecular compound and dissolved it in 15 ml of water. The freezing point of the solution was measured to be -3.5 °C. Calculate the molar mass of the compound. (KF1.86 °C/m for water).

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.

1-A sample of pure t-butyl alcohol weighing 6.22 g was found to have a freezing point of 24.7 °C. When 0.543 g of an unknown compound X was added to the t-butyl alcohol, the mixture had a freezing point of 21.3 °C. Calculate the molar mass of compound X. (Kf = 12.8 °C/molal for t-butyl alcohol.)A sample of pure t-butyl alcohol weighing 6.22 g was found to have a freezing point of 24.7 °C. When 0.543 g of an unknown compound X was added to the t-butyl alcohol, the mixture had a freezing point of 21.3 °C. Calculate the molar mass of compound X. (Kf = 12.8 °C/molal for t-butyl alcohol.)   2-What is the rate law expression for the reaction A + B → C, based on the following data

The vapor pressure of an aqueous solution of copper(II) sulfate at 38 °C is 0.06430 atm. The vapor pressure of pure water at the same temperature is 0.06539 atm. Estimate the freezing point of the solution. For water, Kfp = 1.86 °C/m. °℃

Calculate the vapor pressure above a solution prepared by dissolving 2.00 g of aspirin (C9H8O4) in 50.0 g of methanol (CH3OH) at 21.2 °C. Pure methanol has a vapor pressure of 101 torr at 21.2 °C.

The freezing point of a solution that contains 1.1 g of an unknown compound, (A), dissolved in 12 g of benzene is found to be 2.97 °C. The freezing point of pure benzene is 5.48 °C. The freezing point depression constant of benzene is 5.12 °C/molal. What is the molecular weight of the unknown compound?

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.

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.

What is the molar mass of toluene if 0.85 g of toluene decreases the freezing point of 100. g of benzene by 0.47°C? Kf of benzene is 5.12°C/m.