SC-989
Solubility
Lower Sec Science · Secondary 1 · Hard · Solubility
A student dissolves 30 g of potassium nitrate in 100 g of water at 40 °C. The maximum mass of potassium nitrate that can dissolve in 100 g of water at 40 °C is 65 g.
What is the best description of the resulting mixture?
What is the best description of the resulting mixture?
- A saturated solution, because no more solute can dissolve
- An unsaturated solution, because more solute can still dissolve
- A suspension, because some solid remains undissolved
- A pure substance, because only one visible phase is seen
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