Use the solubility curve provided on the right to determine the answers to the following questions: Solubility Curves for Selected Solutes 150 140 KA 130 120 6. How many grams of solute are required to saturate 100 g of water in each of the following solutions? a) KCL at 80C b) KClO3 at 90C c) NaNO3 at 10C d) SO2 at 20 C e) NH4Cl at 70C 110 NaNO3 100 KNO3 90 Grams of solute 100 g H20 80 HCI 70 NHC 60 NH3 - 50 40 Naci KIO3 30 20N 7. What is each of the solutions below: saturated, unsaturated or supersaturated? All of the solutes are mixed with 100 g of water. a. 40 g of NaCl at 50C b. 30 g of NH3 at 30C c. 70 g of HCl at 20C d. 80 g of KNO3 at 60C e. 80 g of NH4Cl at 80C 10 SO o! 0 10 20 30 40 50 60 70 80 90 100 Temperature (C) 8. How many grams of KNO3 per 100 g of water would be crystallized from a saturated solution as the temperature drops from: a. 80C to 20C b. 60C to 40C c. 50C to 30C d. 80C to 0C e. 50C to 10C 9. At what temperature are the following solutes equally soluble in 100 g of water? a. NaNO3 and KNO3 b. NH4Cl and HCI C. NH3 and KNO3 d. KCIO3 and NaCl 10. Which three solutes show a decrease in solubility with increasing temperature