K L Chugh Solutions for Chapter: Solutions, Exercise 3: Follow Up Problems

Vapour pressure of chloroform $\left({\mathrm{CHCl}}_3\right)$ and dichloromethane $\left({\mathrm{CH}}_2{\mathrm{Cl}}_2\right)$ at $298 \mathrm{K}$ are $200 \mathrm{mm} \mathrm{Hg}$ and $415 \mathrm{mm} \mathrm{Hg}$ respectively.
Calculate the vapour pressure of the solution prepared by mixing $25.5 \mathrm{g}$ of ${\mathrm{CHCl}}_3$ and $40 \mathrm{g}$ of ${\mathrm{CH}}_2{\mathrm{Cl}}_2$ at $298 \mathrm{K}$

Vapour pressure of chloroform $\left({\mathrm{CHCl}}_3\right)$ and dichloromethane $\left({\mathrm{CH}}_2{\mathrm{Cl}}_2\right)$ at $298 \mathrm{K}$ are $200 \mathrm{mm} \mathrm{Hg}$ and $415 \mathrm{mm} \mathrm{Hg}$ respectively. Calculate mole fractions of each component in vapour phase.

Heptane and octane form an ideal solution at $373 \mathrm{K}.$ The vapour pressure of the pure liquids at this temperature is $105.2 \mathrm{k} \mathrm{Pa}$ and $46.8 \mathrm{k} \mathrm{Pa},$ respectively. If the solution contains $25 \mathrm{g}$ of heptane and $28.5 \mathrm{g}$ of octane. Calculate vapour pressure exerted by heptane.

Heptane and octane form an ideal solution at $373 \mathrm{K}.$ The vapour pressure of the pure liquids at this temperature is $105.2 \mathrm{k} \mathrm{Pa}$ and $46.8 \mathrm{k} \mathrm{Pa},$ respectively. If the solution contains $25 \mathrm{g}$ of heptane and $28.5 \mathrm{g}$ of octane. Calculate vapour pressure exerted by the solution.

Heptane and octane form an ideal solution at $373 \mathrm{K}.$ The vapour pressure of the pure liquids at this temperature is $105.2 \mathrm{k} \mathrm{Pa}$ and $46.8 \mathrm{k} \mathrm{Pa},$ respectively. If the solution contains $25 \mathrm{g}$ of heptane and $28.5 \mathrm{g}$ of octane. Calculate vapour pressure exerted by the octane.

The vapour pressure of pure liquid $\text{'}\mathrm{A}\text{'}$ is $70$ torr, at $27°\mathrm{C}.$ It forms an ideal solution with another liquid $\text{'}\mathrm{B}\text{'}.$ The mole fraction of $\text{'}\mathrm{B}\text{'}$ is $0.2$ and total pressure of the solution is $84$ torr at $27°\mathrm{C}.$ Find the vapour pressure of pure liquid $\mathrm{B}$ at $27°\mathrm{C}.$