Solutions Part 2

The osmotic pressure of a living cell is 12 atm at 300 K . The strength of sodium chloride solution that is isotonic with the living cell at this temperature is ____ g L−1. (Nearest integer)
Given : R=0.08LatmK−1mol−1 Assume complete dissociation of NaCl
(Given: Molar mass of Na and Cl are 23 and 35.5gmol−1 respectively.)