BI-1747
Osmosis
Biology · Secondary 4 · Medium · Osmosis
A potato cylinder is placed in a 0.20 mol/dm³ salt solution for 40 minutes. Its mass decreases from 4.0 g to 3.4 g.
Which statement best explains this change?
Which statement best explains this change?
- Salt diffuses into the potato, increasing its mass.
- Water moves into the potato by osmosis, decreasing its mass.
- Water moves out of the potato by osmosis, decreasing its mass.
- Salt moves out of the potato by diffusion, decreasing its mass.
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