SC-987
Solubility
Lower Sec Science · Secondary 1 · Medium · Solubility
A student dissolves as much potassium nitrate as possible in 100 g of water at 40 °C. She then cools the solution to 20 °C. What will she observe?
- More potassium nitrate dissolves
- Crystals of potassium nitrate form
- Water evaporates quickly
- No change occurs
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