6.The molality of 2% (w/w) aqueous solution of sodium chloride is

7.If 0.1 M solution of glucose and 0.1 M solution of urea are placed on two sides of the semipermeable membrane to equal heights, then it will be correct to say that

8.Freezing point of an aqueous solution is 272.48 K. The osmotic pressure of the same solution at 310 K will be

9.During molecular weight determination of non-volatile solute by cryoscopic method, Beckmann Thermometer is used to determine the

10.The enthalpy change on mixing water and ethanol at room temperature is