277336 At $100^{\circ} \mathrm{C}$ the vapour pressure of a solution of $6.5 \mathrm{~g}$ of a solute in $100 \mathrm{~g}$ water is $732 \mathrm{~mm}$. if $K_{b}$ $=0.52$, the boiling point of this solution will be

277337 Which of the following statements about the composition of the vapour over an ideal 1:1 molar mixture of benzene and toluene is correct?
Assume that the temperature is constant at $25^{\circ} \mathrm{C}$.(Given, vapour pressure data at $25^{\circ} \mathrm{C}$, benzene $=12.8 \mathrm{kPa}$, toluene $=3.85 \mathrm{kPa})$

277340 The vapour pressure of pure benzene and toluene are 160 and $60 \mathrm{~mm} \mathrm{Hg}$ respectively. The mole fraction of benzene in vapour phase in contact with equimolar solution of benzene and toluene is

277344 $12 \mathrm{~g}$ of a non-volatile solute dissolved in $108 \mathrm{~g}$ of water produces the relative lowering of vapour pressure of 0.1 . The molecular mass of the solute is

277336 At $100^{\circ} \mathrm{C}$ the vapour pressure of a solution of $6.5 \mathrm{~g}$ of a solute in $100 \mathrm{~g}$ water is $732 \mathrm{~mm}$. if $K_{b}$ $=0.52$, the boiling point of this solution will be

277337 Which of the following statements about the composition of the vapour over an ideal 1:1 molar mixture of benzene and toluene is correct?
Assume that the temperature is constant at $25^{\circ} \mathrm{C}$.(Given, vapour pressure data at $25^{\circ} \mathrm{C}$, benzene $=12.8 \mathrm{kPa}$, toluene $=3.85 \mathrm{kPa})$

277340 The vapour pressure of pure benzene and toluene are 160 and $60 \mathrm{~mm} \mathrm{Hg}$ respectively. The mole fraction of benzene in vapour phase in contact with equimolar solution of benzene and toluene is

277344 $12 \mathrm{~g}$ of a non-volatile solute dissolved in $108 \mathrm{~g}$ of water produces the relative lowering of vapour pressure of 0.1 . The molecular mass of the solute is

277336 At $100^{\circ} \mathrm{C}$ the vapour pressure of a solution of $6.5 \mathrm{~g}$ of a solute in $100 \mathrm{~g}$ water is $732 \mathrm{~mm}$. if $K_{b}$ $=0.52$, the boiling point of this solution will be

277337 Which of the following statements about the composition of the vapour over an ideal 1:1 molar mixture of benzene and toluene is correct?
Assume that the temperature is constant at $25^{\circ} \mathrm{C}$.(Given, vapour pressure data at $25^{\circ} \mathrm{C}$, benzene $=12.8 \mathrm{kPa}$, toluene $=3.85 \mathrm{kPa})$

277340 The vapour pressure of pure benzene and toluene are 160 and $60 \mathrm{~mm} \mathrm{Hg}$ respectively. The mole fraction of benzene in vapour phase in contact with equimolar solution of benzene and toluene is

277344 $12 \mathrm{~g}$ of a non-volatile solute dissolved in $108 \mathrm{~g}$ of water produces the relative lowering of vapour pressure of 0.1 . The molecular mass of the solute is

277336 At $100^{\circ} \mathrm{C}$ the vapour pressure of a solution of $6.5 \mathrm{~g}$ of a solute in $100 \mathrm{~g}$ water is $732 \mathrm{~mm}$. if $K_{b}$ $=0.52$, the boiling point of this solution will be

277337 Which of the following statements about the composition of the vapour over an ideal 1:1 molar mixture of benzene and toluene is correct?
Assume that the temperature is constant at $25^{\circ} \mathrm{C}$.(Given, vapour pressure data at $25^{\circ} \mathrm{C}$, benzene $=12.8 \mathrm{kPa}$, toluene $=3.85 \mathrm{kPa})$

277340 The vapour pressure of pure benzene and toluene are 160 and $60 \mathrm{~mm} \mathrm{Hg}$ respectively. The mole fraction of benzene in vapour phase in contact with equimolar solution of benzene and toluene is

277344 $12 \mathrm{~g}$ of a non-volatile solute dissolved in $108 \mathrm{~g}$ of water produces the relative lowering of vapour pressure of 0.1 . The molecular mass of the solute is