Question

T 20C, the vapor pressure of ethanol is 45 torr, and the vapor pressure of methanol...

T 20C, the vapor pressure of ethanol is 45 torr, and the vapor pressure of methanol is 92 torr. What is the vapor pressure at 20C of a solution prepared by mixing 18 g methanol and 76 g ethanol?

Homework Answers

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
At 20.0°C, the vapor pressure of ethanol is 45.0 torr, and the vapor pressure of methanol...
At 20.0°C, the vapor pressure of ethanol is 45.0 torr, and the vapor pressure of methanol is 92.0 torr. What is the vapor pressure at 20.0°C of a solution prepared by mixing 31.0  g methanol and 72.0  g ethanol? answer in torr
The vapor pressure of pure methanol, CH3OH, at 33 °C is 164 torr. How many grams...
The vapor pressure of pure methanol, CH3OH, at 33 °C is 164 torr. How many grams of the nonvolatile solute glycerol, C3H5(OH)3, must be added to 123 g of methanol to obtain a solution with a vapor pressure of 123 torr?
vapor pressure of CH2Cl2 is 133 torr at 25 degree C and vapor pressure of CH2Br2...
vapor pressure of CH2Cl2 is 133 torr at 25 degree C and vapor pressure of CH2Br2 is 11.4 torr at 25 degree C A solution is prepared by mixing 3.50 mL of dichloromethane (CH2Cl2,84.93g/mol, 1.33 g/mL) with 3.50 mL of dibromethane (CH2Br2, 173.8 g/mol, 2.48 g/mL). By what factor is the vapor phase enroched in CH2Cl2 at 25 degree C?
The vapor pressure of pure methanol (CH3OH, 32.0 g/mol) is 75.4 torr at 12.0 oC. If...
The vapor pressure of pure methanol (CH3OH, 32.0 g/mol) is 75.4 torr at 12.0 oC. If 0.400 mol of a nonvolatile solute is added to 320. g CH3OH, what is the vapor pressure of the solution, reported to three significant figures? The answer is 72.5 torr but im not sure how to get there. I need a step by step please
At a certain temperature the vapor pressure of pure acetic acid HCH3CO2 is measured to be...
At a certain temperature the vapor pressure of pure acetic acid HCH3CO2 is measured to be 226.torr. Suppose a solution is prepared by mixing 127.g of acetic acid and 141.g of methanol CH3OH. Calculate the partial pressure of acetic acid vapor above this solution. Round your answer to 3 significant digits. Note for advanced students: you may assume the solution is ideal.
The vapor pressure of a solvent at 20oC is 17.5 Torr. The vapor pressure decreases by...
The vapor pressure of a solvent at 20oC is 17.5 Torr. The vapor pressure decreases by 0.62 Torr when 800 grams of this solvent is thrown out of some salt. According to this; (A) The vapor pressure of the solution (B) Mole fraction of solvent (C) Calculate the molality of the salt (Mole weight of solvent = 18 g / mol) (D) If the freezing point lowering of the solution is 0.66, find the cryoscopy constant of the solvent.
The vapor pressure of pure methanol at 25oC is 228 mmHg. What is the vapor pressure...
The vapor pressure of pure methanol at 25oC is 228 mmHg. What is the vapor pressure in the mmHg of a solution with 16.0 g of glucose (C6H12O6) dissolved in 80.0 g of Acetone ((CH3)2CO) at 25oC.
Calculate the vapor pressure of a solution of 92.1g of glycerin C3H8O3 in 184g of ethanol,...
Calculate the vapor pressure of a solution of 92.1g of glycerin C3H8O3 in 184g of ethanol, C2H5OH at 40 degrees C. The vapor pressure of pure ethanol at 40 degrees C is 135.3 torr. Assume the solution is ideal.
Ethanol and methanol form a nearly ideal solution. (a) First of all, why is this expected?...
Ethanol and methanol form a nearly ideal solution. (a) First of all, why is this expected? (b) At 20 °C, the vapor pressure of ethanol is 5.93 kPa, and that of methanol is 11.83 kPa. Calculate the mole fractions of the two components if 100 g of each are mixed. (c) Calculate the partial pressures and the total vapor pressure of the solution. (d) Calculate the mole fraction of methanol in the vapor.
A. Ethanol has a vapor pressure of 165 mmHg at 45 C and a heat of...
A. Ethanol has a vapor pressure of 165 mmHg at 45 C and a heat of vaporization of 38.56 kj/mo. Determine the vapor pressure (in mmHg) of ethanol at 65 C b. determine the temperature (in C) at which the vapor pressure of ethanol is 250 mmHG
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT