The osmotic pressure of a living cell in 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 = 0.08 L atm K^–1 mol^–1
Assume complete dissociation of NaCl
(Given : Molar mass of Na and Cl are 23 and 35.5 g mol^–1 respectively.)