BI-606
Osmosis
Biology · Secondary 3 · Hard · Osmosis
A student places identical potato cylinders into four salt solutions of different concentrations. After 2 hours, she measures the percentage change in mass of each cylinder.
Salt solution concentration / mol dm⁻³: 0.0, 0.1, 0.2, 0.3
Percentage change in mass / %: +8, +3, 0, −5
In which solution is the water potential equal to that of the potato cells?
Salt solution concentration / mol dm⁻³: 0.0, 0.1, 0.2, 0.3
Percentage change in mass / %: +8, +3, 0, −5
In which solution is the water potential equal to that of the potato cells?
- 0.0 mol dm⁻³
- 0.1 mol dm⁻³
- 0.2 mol dm⁻³
- 0.3 mol dm⁻³
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