Home
Class 12
CHEMISTRY
The vapour pressure of ethanol and metha...

The vapour pressure of ethanol and methanol are `44.0 mm` and `88.0 mm Hg`, respectively. An ideal solution is formed at the same temperature by mixing `60 g` of ethanol with `40g` of methanol. Calculate the total vapour pressure of the solution and the mole fraction of methanol in the vapour.

Text Solution

AI Generated Solution

To solve the problem, we will follow these steps: ### Step 1: Calculate the number of moles of ethanol and methanol. 1. **Given data:** - Mass of ethanol (A) = 60 g - Mass of methanol (B) = 40 g - Molar mass of ethanol (C2H5OH) = 46 g/mol ...
Promotional Banner

Topper's Solved these Questions

  • SOLUTIONS

    CENGAGE CHEMISTRY ENGLISH|Exercise Solved Examples|40 Videos

  • SOLUTIONS

    CENGAGE CHEMISTRY ENGLISH|Exercise Exercises (Linked Comprehension)|58 Videos

  • SOLID STATE

    CENGAGE CHEMISTRY ENGLISH|Exercise Ex 1.2 (Objective)|9 Videos

  • SURFACE CHEMISTRY

    CENGAGE CHEMISTRY ENGLISH|Exercise Archives Subjective|2 Videos

Similar Questions

Explore conceptually related problems

The vapour pressures of ethanol and methanol are 44.5 and 88.7 mm Hg , respectively. An ideal solution is formed at the same temperature by mixing 60 g of ethanol with 40 g of methanol . Calculate the total vapour pressure of the solution and mole fraction of methanol in the vapour.

The vapour pressures of ethanol and methanol are 44.5 and 88.7 mm Hg , respectively. An ideal solution is formed at the same temperature by mixing 60 g of ethanol with 40 g of methanol . Calculate the total vapour pressure of the solution and mole fraction of methanol in the vapour.

The vapour pressure of benzene and toluene are 150 mm and 50 mm respectively. A solution is prepared by mixing equal weights of benzene and toluene. Assuming the solution to be ideal, calculate the vapour pressure of the solution.

The vapour pressures of pure liquid A and pure liquid B at 20^(@)C are 22 and 75 mm of Hg respectively. A solution is prepared by mixing equal moles of A and B. Assuming the solution to be ideal, calculate the vapour pressure of the solution.

An aqueous solution of methanol in water has vapour pressure

An aqueous solution of methanol in water has vapour pressure

If an ideal solution is made by mixing 2 moles of benzene (p^(@)=266mm) and 3 moles of another liquid (p^(@)=236 mm) . The total vapour pressure of the solution at the same temperature would be

If an ideal solution is made by mixing 2 moles of benzene (p^(@)=266mm) and 3 moles of another liquid (p^(@)=236 mm) . The total vapour pressure of the solution at the same temperature would be

Vapour pressure of methyl alcohol and dichloromethane at 27^@ C are 100 mm HG and 350 mm Hg respectively. Vapour pressure of the solution obtained by mixing 1.5 mole of methyl alcohol and 0.5 mole of dichloromethane at 27^@ C is

An ideal solution was found to have a vapour pressure of 80 torr when the mole fraction of a non-volatile solute was 0.2. What would be the vapour pressure of the pure solvent at the same temperature?