BI-415
Osmosis
Biology · Secondary 3 · Medium · Osmosis
A potato strip is placed in a 0.2 mol dm salt solution. After 1 hour, its mass decreases. Which statement best explains this change in mass?
- Water moves out of the potato cells into the solution by osmosis.
- Salt moves into the potato cells by diffusion, increasing density.
- Water moves into the potato cells by osmosis.
- Salt moves out of the potato cells by active transport.
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