$x \ g$ of $MgSO_4$ $(i=1.8)$ in $2.5 \ L$ of solution has an osmotic pressure of $2.463 \ atm$ at $27^{\circ} C$. What is the value of $x$ in $g$?

Osmotic pressure of $0.1 \ M$ aqueous solution of $MgCl_2$ at $300 \ K$ is $4.92 \ atm$. What will be the percentage ionization of the salt? $.......... \ \%$

At a certain temperature,the osmotic pressure of a $0.25 \, M$ solution of a non-electrolyte is $\pi \, bar$. What will be the osmotic pressure of a $0.125 \, M \, Ba(NO_3)_2$ solution at the same temperature?

$A$ solution containing $500 \ g$ of protein per liter of solution is isotonic with a solution containing $3.42 \ g$ of sugar per liter of solution. The molar mass of the protein is:

Which of the following solutions will not show flow of solvent in either direction when separated by a semipermeable membrane?

$A$ semipermeable membrane used in the measurement of osmotic pressure of a solution allows the passage of