The osmotic pressure of blood is 7.47 bar at 300 K. To inject glucose to a patient intravenously, it has to be isotonic with blood. The concentration of glucose solution in gL^–1 is _____(Molar mass of glucose = 180 g mol^–1

$\mathrm{R}=0.083\mathrm{L}\text{ bar }{\mathrm{K}}^{-1}{\mathrm{mol}}^{-1}\text{ ) (Nearest integer) }$