Question

In: Chemistry

- A 35.0 g sample of ethylene glycol, HOCH2CH2OH is dissolved in 500 g of water....

- A 35.0 g sample of ethylene glycol, HOCH2CH2OH is dissolved in 500 g of water. The vapor pressure of water at 32 C is 35.7 mmHg, What is the vapor pressure of the water/ethylene glycol solution at 32 C?

- What is the Boiling Point of the solution resulted from the dissolving of 32.5 g of sugar (C6H12O6) in 250.0 g of water?

- . A 1.07 mg sample of a compound was dissolved in 78.1 mg of camphor. The resulting solution melted at 176.0 C. What is the molecular mass of the compound? The melting point of pure camphor is 179.5 C. The freezing-point-depression constant for camphor Kf is 40.0 C/m.

Solutions

Expert Solution


Related Solutions

a 35.0 gram sample of ethylene glycol, is dissolved in 500 grams of water The vapor...
a 35.0 gram sample of ethylene glycol, is dissolved in 500 grams of water The vapor pressure of pure water at 32.0 degrees Celsius at 35.7 torr. what is the vapor pressure of the solution at 32.0 degrees Celsius?
What is the boiling point of a mixture composed of 85.0 g HOCH2CH2OH (ethylene glycol) and...
What is the boiling point of a mixture composed of 85.0 g HOCH2CH2OH (ethylene glycol) and 185 g H2O? The boiling point elevation constant for H2O is 0.512 °C/m.
What is the vapor pressure of a solution of 300 g of ethylene glycol, HOCH2CH2OH (mol...
What is the vapor pressure of a solution of 300 g of ethylene glycol, HOCH2CH2OH (mol wt = 62.1) and 200 g of water (a 60% solution by weight) at 100 ºC. The vapor pressure of pure water is 760 torr at 100 ºC (the boiling point of water).
An ethylene glycol solution contains 16.2 g of ethylene glycol (C2H6O2) in 87.4 mL of water....
An ethylene glycol solution contains 16.2 g of ethylene glycol (C2H6O2) in 87.4 mL of water. Part A Calculate the freezing point of the solution. (Assume a density of 1.00 g/mL for water.) Part B Calculate the boiling point of the solution.
An ethylene glycol solution contains 27.6 g of ethylene glycol (C2H6O2) in 90.4 mL of water....
An ethylene glycol solution contains 27.6 g of ethylene glycol (C2H6O2) in 90.4 mL of water. (Assume a density of 1.00 g/mL for water.) Kb of water=0.51C/m and Kf of water=-1.86C/m Part A: Determine the freezing point of the solution. Express your answer in degrees Celsius. Part B: Determine the boiling point of the solution. Express your answer in degrees Celsius.
An ethylene glycol solution contains 29.8 g of ethylene glycol (C2H6O2) in 92.6 mL of water....
An ethylene glycol solution contains 29.8 g of ethylene glycol (C2H6O2) in 92.6 mL of water. (Assume a density of 1.00 g/mL for water.) Part A Determine the freezing point of the solution. Express you answer in degrees Celsius. Part A Determine the freezing point of the solution. Express you answer in degrees Celsius. Part B Determine the boiling point of the solution. Express you answer in degrees Celsius.
An ethylene glycol solution contains 24.6 g of ethylene glycol (C2H6O2) in 89.8 mL of water....
An ethylene glycol solution contains 24.6 g of ethylene glycol (C2H6O2) in 89.8 mL of water. (Assume a density of 1.00 g/mL for water.) a. Determine the freezing point of the solution in degrees Celsius. b. Determine the boiling point of the solution in degrees Celsius.
An aqueous ethylene glycol (HOCH2CH2OH, FW = 62.07 g/mol) solution with a mass of 296.7 mg...
An aqueous ethylene glycol (HOCH2CH2OH, FW = 62.07 g/mol) solution with a mass of 296.7 mg is titrated with 65.9 mL of 0.0705 M Ce4 in 4 M HClO4. The solution is held at 60°C for 15 minutes to oxidize the ethylene glycol to formic acid (HCO2H) and carbon dioxide. The excess Ce4 is titrated with 12.07 mL of 0.0375 M Fe2 to a ferroin end point. What is the mass percent of ethylene glycol in the unknown solution?
Calculate the vapor pressure at 25 ∘C of a solution containing 55.4 g ethylene glycol (HOCH2CH2OH)...
Calculate the vapor pressure at 25 ∘C of a solution containing 55.4 g ethylene glycol (HOCH2CH2OH) and 282.6 g water. The vapor pressure of pure water at 25 ∘C is 23.8 torr.
An aqueous ethylene glycol (HOCH2CH2OH, FW = 62.07 g/mol) solution with a mass of 207.9 mg...
An aqueous ethylene glycol (HOCH2CH2OH, FW = 62.07 g/mol) solution with a mass of 207.9 mg is titrated with 48.9 mL of 0.0829 M Ce4 in 4 M HClO4. The solution is held at 60°C for 15 minutes to oxidize the ethylene glycol to formic acid (HCO2H) and carbon dioxide. The excess Ce4 is titrated with 11.07 mL of 0.0409 M Fe2 to a ferroin end point. What is the mass percent of ethylene glycol in the unknown solution?
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT