The graph describes how the solubilities of two salts change as water temperature changes. Which two statements are true, based on the relationships shown in the graph? More sodium chloride than potassium nitrate can dissolve in cold water.
Potassium nitrate's solubility increases much more than sodium chloride's as water temperature increases.
Sodium chloride's solubility is greater in cold water than in hot water.
Less potassium nitrate than sodium chloride dissolves in hot water.