319360 The vapour pressure of benzene at \({\rm{80^\circ C}}\) is lowered by 10 mm when 2.0 g of a non-volatile substance is dissolved in 78 g of benzene. The vapour pressure of pure benzene at 80°C is 750 mm. The molar mass of the non-volatile substance in the given dilute solution is
319362 At \(88^\circ {\text{C}}\), benzene has a vapour pressure of 900 torr and toluene has a vapour pressure of 360 torr. Assuming that benzene and toluene form an ideal solution, calculate the mole fraction of benzene in a mixture if the total pressure is 500 torr at \(88^\circ {\text{C}}\).
319363
The degree of dissociation of \(\mathrm{Ca}\left(\mathrm{NO}_{3}\right)_{2}\) in dilute aq. solution containing \(7.0 \mathrm{~g}\) of salt per
\(100 \mathrm{~g}\) of water at \(100^{\circ} \mathrm{C}\) is \(70 \%\). If vapour pressure of water at \(100^{\circ} \mathrm{C}\) is \(760 \mathrm{~mm} \,\mathrm{Hg}\). The vapour pressure of solution is
319360 The vapour pressure of benzene at \({\rm{80^\circ C}}\) is lowered by 10 mm when 2.0 g of a non-volatile substance is dissolved in 78 g of benzene. The vapour pressure of pure benzene at 80°C is 750 mm. The molar mass of the non-volatile substance in the given dilute solution is
319362 At \(88^\circ {\text{C}}\), benzene has a vapour pressure of 900 torr and toluene has a vapour pressure of 360 torr. Assuming that benzene and toluene form an ideal solution, calculate the mole fraction of benzene in a mixture if the total pressure is 500 torr at \(88^\circ {\text{C}}\).
319363
The degree of dissociation of \(\mathrm{Ca}\left(\mathrm{NO}_{3}\right)_{2}\) in dilute aq. solution containing \(7.0 \mathrm{~g}\) of salt per
\(100 \mathrm{~g}\) of water at \(100^{\circ} \mathrm{C}\) is \(70 \%\). If vapour pressure of water at \(100^{\circ} \mathrm{C}\) is \(760 \mathrm{~mm} \,\mathrm{Hg}\). The vapour pressure of solution is
319360 The vapour pressure of benzene at \({\rm{80^\circ C}}\) is lowered by 10 mm when 2.0 g of a non-volatile substance is dissolved in 78 g of benzene. The vapour pressure of pure benzene at 80°C is 750 mm. The molar mass of the non-volatile substance in the given dilute solution is
319362 At \(88^\circ {\text{C}}\), benzene has a vapour pressure of 900 torr and toluene has a vapour pressure of 360 torr. Assuming that benzene and toluene form an ideal solution, calculate the mole fraction of benzene in a mixture if the total pressure is 500 torr at \(88^\circ {\text{C}}\).
319363
The degree of dissociation of \(\mathrm{Ca}\left(\mathrm{NO}_{3}\right)_{2}\) in dilute aq. solution containing \(7.0 \mathrm{~g}\) of salt per
\(100 \mathrm{~g}\) of water at \(100^{\circ} \mathrm{C}\) is \(70 \%\). If vapour pressure of water at \(100^{\circ} \mathrm{C}\) is \(760 \mathrm{~mm} \,\mathrm{Hg}\). The vapour pressure of solution is
319360 The vapour pressure of benzene at \({\rm{80^\circ C}}\) is lowered by 10 mm when 2.0 g of a non-volatile substance is dissolved in 78 g of benzene. The vapour pressure of pure benzene at 80°C is 750 mm. The molar mass of the non-volatile substance in the given dilute solution is
319362 At \(88^\circ {\text{C}}\), benzene has a vapour pressure of 900 torr and toluene has a vapour pressure of 360 torr. Assuming that benzene and toluene form an ideal solution, calculate the mole fraction of benzene in a mixture if the total pressure is 500 torr at \(88^\circ {\text{C}}\).
319363
The degree of dissociation of \(\mathrm{Ca}\left(\mathrm{NO}_{3}\right)_{2}\) in dilute aq. solution containing \(7.0 \mathrm{~g}\) of salt per
\(100 \mathrm{~g}\) of water at \(100^{\circ} \mathrm{C}\) is \(70 \%\). If vapour pressure of water at \(100^{\circ} \mathrm{C}\) is \(760 \mathrm{~mm} \,\mathrm{Hg}\). The vapour pressure of solution is