The solubility's of three salts in water are shown in the graph. Solubility (g/L) 1000 Pb(NO) 900 800- K.Cr.O, 700 600- 500 - 400- 300- KCI 200 100 0 10 20 30 40 50 60 70 80 90 100 Temperature (C) For each salt, determine how much will remain undissolved if 500 g is mixed into a liter of pure water at 40 C One significant figure is sufficient in each answer.