A solution containing ethylene glycol and water has a vapor pressure of 4.87 torr at 10°C. Pure water has a vapor p...

Question

Question

science chemistry

Answer 1

Answer #1

$Y 9.21 task = 4.97 toas (mole fraction/ 9.21+351 _ 0.5287 mol = 1- Xuqu = 0.471 mol$

Answer 2

Similar Homework Help Questions

An aqueous solution of ethylene glycol, C2H6O2 has a vapor pressure of 22.4 torr at a...

An aqueous solution of ethylene glycol, C2H6O2 has a vapor pressure of 22.4 torr at a temperature of 25 C. What would be the normal boiling point of this solution? the Kb of water is 0.52 C/m and the vapor pressure of water at 25 C is 23.8 torr.
The vapor pressure of water at 20°C is 17.54 torr. Calculate the vapor pressure (in torr)...

The vapor pressure of water at 20°C is 17.54 torr. Calculate the vapor pressure (in torr) of an aqueous solution containing 21.88 g of ethylene glycol (C2H6O2) in 71.22 g of water at 20°C.
a) The vapor pressure of pure water at 30°C is 31.8 torr. An aqueous solution of...

a) The vapor pressure of pure water at 30°C is 31.8 torr. An aqueous solution of urea had a vapor pressure of 29.3 torrat the same temperature. What is the mole fraction of urea in the solution? b) How many grams of sucrose, C12H22O11(MW=342), must be dissolved in 552 g H2O (MW=18.016) to give a vapor pressure 2.0 torr lower than of pure H2O at 20°C? The VP of H2O at 20°C is 17.5 torr.

1) The vapor pressure of pure water at 120 °C is 1250 torr. A solution of...

1) The vapor pressure of pure water at 120 °C is 1250 torr. A solution of aniline and water has a vapor pressure of 1.2 atm at 120 °C. Assuming that Raoult’s law is obeyed, what is the mole fraction of aniline in the solution? Please show work. ----------------------------------------------------------------------- 2) Consider the following solutions, all in 1.0 kg of water: 1 mol of KBr, 1.5 mol CuCl2, 2 mol CH3COOH, and 1.5 mol CoCl3. The correct order for the respective...
8. (6 pts) Determine the vapor pressure at 25 C of an aqueous ethylene glycol (CIO)...

8. (6 pts) Determine the vapor pressure at 25 C of an aqueous ethylene glycol (CIO) solution at is 14.8% C,H602 by mass. The vapor pressure of pure water at 25 °C is 23.8 torr A) 3.52 tor B) 22.7 torr C) 1.14 torr D) 20.3 torr Show work:
The vapor pressure of pure water at 25.0 °C is 23.76 torr. The vapor pressure of...

The vapor pressure of pure water at 25.0 °C is 23.76 torr. The vapor pressure of a solution containing 5.40 g of a nonvolatile substance in 90.0 g of water is 23.32 torr. What is the molecular weight of the solute?

question 3 pls 6. The vapor pressure of water at 20°C is 17.54 torr. Calculate the...

question 3 pls 6. The vapor pressure of water at 20°C is 17.54 torr. Calculate the vapor pressure (in torr) of an aqueous solution containing 21.88 g of ethylene glycol (C H O2) in 71.22 g of water at 20°C.
q16 An aqueous solution containing glucose has a vapor pressure of 19.9 torr at 25°C. What...

q16 An aqueous solution containing glucose has a vapor pressure of 19.9 torr at 25°C. What would be the vapor pressure of this solution at 45°C? The vapor pressure of pure water is 23.8 torr at 25°C and 71.9 torr at 45°C. Vapor pressure torr If the glucose in the solution were substituted with an equivalent amount (moles) of NaCl, what would be the vapor pressure at 45°C? Vapor pressure torr
An aqueous solution containing glucose has a vapor pressure of 17.1 torr at 25 degrees C....

An aqueous solution containing glucose has a vapor pressure of 17.1 torr at 25 degrees C. What would be the vapor pressure of this solution at 45 degrees C? The vapor pressure of pure water is 23.8 torr at 25 degrees C and 71.9 torr at 45 degrees C. If the glucose in the solution were substituted with an equivalent amount (moles) of NaCl what would be the vapor pressure at 45 degrees C?

The liquid in automobile cooling systems is prepared by dissolving ethylene glycol (HOCH_2CH_2OH) in water. Ethylene...

The liquid in automobile cooling systems is prepared by dissolving ethylene glycol (HOCH_2CH_2OH) in water. Ethylene glycol has a molar mass of 62. 07 g/mol and a density 1. 115 g/ml at 50. 0 degree C. Calculate the vapor pressure at 50 degree C of a coolant solution that is 51. 0: 49. 0 ethylene glycol to water by volume At 50. 0degree C the density of water is 0. 9880 g/ml, and its vapor pressure is 92 torr. The...