1. What is the variable on the X-axis of a solubility curve?
 A.Temperature
 B.Time
2. _________ grams of sugar will dissolve in 100 g of solution at 90° C.
 A.80.61
 B.91.76
3. The units of solubility in this video are grams of _________/grams of solution.
  A. Water
  B. Sugar
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