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Question
Which one of the following is the most appropriate statement, and why are the other statements not appropriate?
- (i) A saturated solution can still dissolve more solute at a given temperature.
- (ii) An unsaturated solution has dissolved the maximum amount of solute possible at a given temperature.
- (iii) No more solute can be dissolved into the saturated solution at that temperature.
- (iv) A saturated solution forms only at high temperatures.
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Answer
Statement (iii) is the most appropriate.
Explanation
| Statement | Why |
|---|---|
| (iii) Correct | A saturated solution can dissolve no more solute at that temperature. |
| (i) Wrong | A saturated solution cannot dissolve more solute. |
| (ii) Wrong | It is the saturated, not unsaturated, solution that holds the maximum. |
| (iv) Wrong | A saturated solution can form at any temperature, not only high ones. |
Statement (iii) correctly defines a saturated solution; the others misstate saturation.
← Back to concept: 9.2 How Much Solute Can a Fixed Amount of Solvent Dissolve?
