If 500 mL of a solution containing 1.00 g of barium nitrate (199.33 g/mol), Ba(NO3)2, is combined with 500 mL of a solution containing 1.00 g of sodium sulfate (142.03 g/mol), Na2SO4 will there be a precipitate? Barium sulfate has a Ksp value of 9.1 x 10–11