Interpreting Solubility Curves Using the graph on other side of sheet, answer the following questions.
1. Which substance does not appear to increase greatly in solubility as the temperature is increased?
2. Which substance appears to decrease in solubility as the temperature is increased?
3. Which substance appears to increase most in solubility as the temperature is increased?
4. Which substance is most soluble at O. degrees Celsius?
5. Which substance is least soluble at O. degrees Celsius?
6. Which two substances have the same solubility at 71. degrees Celsius?
7. What is the most KN03 that can be dissolved at 70. degrees Celsius?
8. What is the most NH4Cl that can be dissolved at 70. degrees Celsius?
9. At 70. degrees Celsius which substance, KN03 or NH4Cl, can form the more concentrated solution?
10. At what temperature would you need 100. g of water to dissolve 70. g of NH4Cl?
11. At what temperature would you need 100. g of water to dissolve 70. g of KN03?
12. A solution that holds 40. g of KCl at 10. degrees Celsius can be described as a _____________ solution.
13. A solution that holds 90. g of NaNO3? at 55. degrees Celsius can be described as a ______________
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