Conductivity of saturated solution of BaSO4 at 315 K is 3.648 x 10-6 ohm-1 cm-1 and that of water is 1.25 x 10-6 ohm-1 cm-1. Ionic conductance of Ba2+ and SO4 2- are 110 and 136.6 ohm-1 cm2 mol-1 respectively. Calculate the solubility of BaSO4 in g/L.