The vapour pressure of a solution having 2.0g of a solute X (molar mass 32 g `mol^(-1))` in 100g of `CS_(2)` (vapour pressure = 854 Torr) is 848.9 Torr. The molecular formula of the solute is
(A) X (B) `X_2` (C) `X_4` (D) `X_8`

12g of a nonvolatile solute dissolved in 108g of water produces the relative lowering of vapour pressure of 0.1 . The molecular mass of the solute is

At 48^(@)C , the vapour pressure of pure CS_(2) is 850torr . A solution of 2.0 g of sulphur in 100g of CS_(2) has a vapour pressure 844.9 torr. Determine the atomicity of sulphur molecule :

The vapour pressure of benzene at 90^@C is 1020 torr. A solution of 15 g of a solute in 58.8 g benzene has a vapour pressure of 990 torr. The molecular weight of the solute is

The vapour pressure of benzene at 90^(@)C is 1020 torr. A solution of 5g of a solute in 58.5 g benzene has a vapour pressure of 990 torr. The molecular weight of the solute is

The vapour pressure of CS_(2) at 50^(@)C is 854 "torr" and a solution of 2.0 g sulphur in 100 g of CS_(2) has vapour pressure 848.9 "torr" . If the formula of sulphur molecule is S_(n) , then calculate the value of n . (at mass of S = 32 ).

The vapour pressure of benzene at 90^(@)C is 1020 torr. A solution of 5g of a solution in 58.5g benzene has vapour pressure 990 torr. The molecular weight of the solute is?