medium · Enhanced ACT science
An experiment tested the solubility of Compound X in 100 g of water at various temperatures:
| Temperature | Solubility |
| :--- | :--- |
| 20^circC | 30 g |
| 40^circC | 42 g |
| 60^circC | 54 g |
If a new trial is conducted at 80^circC, and assuming the solubility trend remains constant, how much Compound X will dissolve?
- Exactly 60 g will dissolve, based on the logic that the rate of increase must eventually diminish as the solution reaches its limit.
- Exactly 66 g will dissolve, extending the linear trend where an increase of 20^circC results in an additional 12 g of solubility.
- Exactly 58 g will dissolve, which is calculated by taking the average increase per degree and rounding down to account for evaporative loss.
- Exactly 72 g will dissolve, assuming that the rate of solubility acceleration doubles for every temperature increase of 20 degrees Celsius.
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