277363 Benzene and toluene form nearly ideal solution. At $20^{\circ} \mathrm{C}$, the vapour pressure of benzene is 75 torr and that of toluene is 22 torr. The partial vapour pressure of benzene at $20^{\circ} \mathrm{C}$ for a solution containing $78 \mathrm{~g}$ of benzene and $46 \mathrm{~g}$ of toluene (in torr) is

277364 The measured freezing point depression for a $0.1 \mathrm{~m}$ aqueous $\mathrm{CH}_{3} \mathrm{COOH}$ solution is $0.19^{\circ} \mathrm{C}$. The acid dissociation constant $K_{a}$ at this concentration will be (Given, $K_{f}$ the molal cryoscopic constant $=1.89 \mathrm{~K} \mathrm{~kg} \mathrm{~mol}^{-1}$ )

277365 The vapour pressure in $\mathrm{mm}$ of $\mathrm{Hg}$, of an aqueous solution obtained by adding $18 \mathrm{~g}$ of glucose $\left(\mathrm{C}_{6} \mathrm{H}_{12} \mathrm{O}_{6}\right)$ to $180 \mathrm{~g}$ of water at $100^{\circ} \mathrm{C}$ is

277366 The boiling point of a solution containing $68.4 \mathrm{~g}$ of sucrose $\left(\right.$ molar mass $\left.=342 \mathrm{~g} \mathrm{~mol}^{-1}\right)$ in $100 \mathrm{~g}$ of water is
$\left(\mathrm{K}_{\mathrm{b}}\right.$ for water $\left.=0.512 \mathrm{~K} \mathrm{~kg} \mathrm{~mol}^{-1}\right)$

277363 Benzene and toluene form nearly ideal solution. At $20^{\circ} \mathrm{C}$, the vapour pressure of benzene is 75 torr and that of toluene is 22 torr. The partial vapour pressure of benzene at $20^{\circ} \mathrm{C}$ for a solution containing $78 \mathrm{~g}$ of benzene and $46 \mathrm{~g}$ of toluene (in torr) is

277364 The measured freezing point depression for a $0.1 \mathrm{~m}$ aqueous $\mathrm{CH}_{3} \mathrm{COOH}$ solution is $0.19^{\circ} \mathrm{C}$. The acid dissociation constant $K_{a}$ at this concentration will be (Given, $K_{f}$ the molal cryoscopic constant $=1.89 \mathrm{~K} \mathrm{~kg} \mathrm{~mol}^{-1}$ )

277365 The vapour pressure in $\mathrm{mm}$ of $\mathrm{Hg}$, of an aqueous solution obtained by adding $18 \mathrm{~g}$ of glucose $\left(\mathrm{C}_{6} \mathrm{H}_{12} \mathrm{O}_{6}\right)$ to $180 \mathrm{~g}$ of water at $100^{\circ} \mathrm{C}$ is

277366 The boiling point of a solution containing $68.4 \mathrm{~g}$ of sucrose $\left(\right.$ molar mass $\left.=342 \mathrm{~g} \mathrm{~mol}^{-1}\right)$ in $100 \mathrm{~g}$ of water is
$\left(\mathrm{K}_{\mathrm{b}}\right.$ for water $\left.=0.512 \mathrm{~K} \mathrm{~kg} \mathrm{~mol}^{-1}\right)$

277363 Benzene and toluene form nearly ideal solution. At $20^{\circ} \mathrm{C}$, the vapour pressure of benzene is 75 torr and that of toluene is 22 torr. The partial vapour pressure of benzene at $20^{\circ} \mathrm{C}$ for a solution containing $78 \mathrm{~g}$ of benzene and $46 \mathrm{~g}$ of toluene (in torr) is

277364 The measured freezing point depression for a $0.1 \mathrm{~m}$ aqueous $\mathrm{CH}_{3} \mathrm{COOH}$ solution is $0.19^{\circ} \mathrm{C}$. The acid dissociation constant $K_{a}$ at this concentration will be (Given, $K_{f}$ the molal cryoscopic constant $=1.89 \mathrm{~K} \mathrm{~kg} \mathrm{~mol}^{-1}$ )

277365 The vapour pressure in $\mathrm{mm}$ of $\mathrm{Hg}$, of an aqueous solution obtained by adding $18 \mathrm{~g}$ of glucose $\left(\mathrm{C}_{6} \mathrm{H}_{12} \mathrm{O}_{6}\right)$ to $180 \mathrm{~g}$ of water at $100^{\circ} \mathrm{C}$ is

277366 The boiling point of a solution containing $68.4 \mathrm{~g}$ of sucrose $\left(\right.$ molar mass $\left.=342 \mathrm{~g} \mathrm{~mol}^{-1}\right)$ in $100 \mathrm{~g}$ of water is
$\left(\mathrm{K}_{\mathrm{b}}\right.$ for water $\left.=0.512 \mathrm{~K} \mathrm{~kg} \mathrm{~mol}^{-1}\right)$

277363 Benzene and toluene form nearly ideal solution. At $20^{\circ} \mathrm{C}$, the vapour pressure of benzene is 75 torr and that of toluene is 22 torr. The partial vapour pressure of benzene at $20^{\circ} \mathrm{C}$ for a solution containing $78 \mathrm{~g}$ of benzene and $46 \mathrm{~g}$ of toluene (in torr) is

277364 The measured freezing point depression for a $0.1 \mathrm{~m}$ aqueous $\mathrm{CH}_{3} \mathrm{COOH}$ solution is $0.19^{\circ} \mathrm{C}$. The acid dissociation constant $K_{a}$ at this concentration will be (Given, $K_{f}$ the molal cryoscopic constant $=1.89 \mathrm{~K} \mathrm{~kg} \mathrm{~mol}^{-1}$ )

277365 The vapour pressure in $\mathrm{mm}$ of $\mathrm{Hg}$, of an aqueous solution obtained by adding $18 \mathrm{~g}$ of glucose $\left(\mathrm{C}_{6} \mathrm{H}_{12} \mathrm{O}_{6}\right)$ to $180 \mathrm{~g}$ of water at $100^{\circ} \mathrm{C}$ is

277366 The boiling point of a solution containing $68.4 \mathrm{~g}$ of sucrose $\left(\right.$ molar mass $\left.=342 \mathrm{~g} \mathrm{~mol}^{-1}\right)$ in $100 \mathrm{~g}$ of water is
$\left(\mathrm{K}_{\mathrm{b}}\right.$ for water $\left.=0.512 \mathrm{~K} \mathrm{~kg} \mathrm{~mol}^{-1}\right)$