Isotonic solutions have the same

The process in which solvent molecules pass through a semipermeable membrane is called:

Among the colligative properties,which one is the best method for the determination of the molar mass of proteins and polymers?

Which of the following pairs of solutions is isotonic? (Molar mass: urea $= 60 \ g \ mol^{-1}$,sucrose $= 342 \ g \ mol^{-1}$)

The ideal method to determine osmotic pressure is ...... .

The osmotic pressure of $0.4\%$ urea solution is $1.66\ atm$ and that of a solution of sugar of $3.42\%$ is $2.46\ atm$. When both the solutions are mixed in equal volumes,then the osmotic pressure of the resultant solution will be ......... $atm$.