medium · Enhanced ACT science
A lab technician calculates the density of four unknown liquid samples to predict their layering.
| Sample | Mass (g) | Volume (mL) |
| :--- | :--- | :--- |
| 1 | 10.0 | 20.0 |
| 2 | 20.0 | 10.0 |
| 3 | 15.0 | 15.0 |
| 4 | 40.0 | 10.0 |
Based on the formula D = m/V, which sample will float on top of all others if they are immiscible?
- Sample 3
- Sample 2
- Sample 4
- Sample 1
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