16) The aqueous solution, _______ shows the lowest vapor pre…

16) The aqueous solution, _______ shows the lowest vapor pressure, but the solution, _______reveals the lowest osmotic pressure.    (A) 0.16 M Ca(OH)2         (B) 0.18 NaNO3          (C) 0.40 M C4H9OH          (D) 0.06M Mg3(PO4)2