How would you approach this problem 2.00 g of p-toluidine was added to a closed 1.0 L flask containing 10.0 mL of water at 25 C and pH was adjusted...

How would you approach this problem2.00 g of p-toluidine was added to a closed 1.0 L flask containing 10.0 mL of water at 25 °C and pH was adjusted to 5.0. Find the fraction of p-toluidine in water, its molar concentration in air and its concentration in water in g/L at equilibrium.