Solubility Curves - Period 4

Using the solubility curves below, answer the following questions. Which substance does not appear to increase greatly in solubility as the temperature increases? NaNO3 NaCl KCl Which substance appears to decrease in solubility as the temperature is increased? Ce2(SO4)3 NaCl KCl Which substance appears to increase most in solubility as the temperature is increased? NaNO3 CaCl2 KNO3 Which substance is most soluble at 0 degrees C? NaNO3 CaCl2 KNO3 Which substance is least soluble at 0 degrees C? Ce2(SO4)3 KClO3 NaNO3 Which two substances have the same solubility at 71 degrees C? KCl and NaCl KCl and K2Cr2O7 NaCl and K2Cr2O7 At what temperature would you need 100 g of water to dissolve 70 g of CaCl2? 0 15 10 20 At what temperature would you need 100 g of water to dissolve 70 g of KNO3 ? 10 20 45