BI-578
Osmosis
Biology · Secondary 3 · Medium · Osmosis
A piece of potato is placed in a beaker containing 0.3 mol dm⁻³ salt solution. After 2 hours, its mass decreases. Which statement best explains this observation?
- Water enters the potato cells by osmosis, increasing their mass.
- Water leaves the potato cells by osmosis, decreasing their mass.
- Salt enters the potato cells by diffusion, decreasing their mass.
- Salt leaves the potato cells by diffusion, decreasing their mass.
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