Explain depression in freezing point. How depression in freezing point can be used to find molar mass of a non-volatile solute? Define molal depression constant.
What is the effect of temperature on the molality of a solution
Why does the molality of a solution remain unchanged with temperature ?
When molality of a solution becomes equal to its molarity ?
Molal elevation constant for benzene is 2.53K/m. A solution of some organic substance in benzene boils at 0.126^@ C higher than benzene. What is the molality of the solution?
(a) Define mineral. (b) Define Ore.
The density of a 2.05 M acetic acid in water is 1.02gcm^-3 . Calculate the molality of the solution.
The mole fraction of water in sulphuric acid solution is 0.85. Calculate the molality of the solution.
