BI-1639
Osmosis
Biology · Secondary 4 · Hard · Osmosis
In an experiment on osmosis, identical potato cylinders are placed in 0.10 mol dm⁻³ and 0.50 mol dm⁻³ sucrose solutions. After 30 minutes, the cylinder in 0.10 mol dm⁻³ gains mass, while the one in 0.50 mol dm⁻³ loses mass. What is the water potential of the potato cells compared to the two solutions?
- Higher than both 0.10 mol dm⁻³ and 0.50 mol dm⁻³ solutions.
- Lower than both 0.10 mol dm⁻³ and 0.50 mol dm⁻³ solutions.
- Between the water potentials of 0.10 mol dm⁻³ and 0.50 mol dm⁻³ solutions.
- Equal to the water potential of pure water.
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