BI-1751
Osmosis
Biology · Secondary 4 · Medium · Osmosis
A student places identical potato strips into three solutions: pure water, 0.3 mol dm⁻³ salt solution and 0.6 mol dm⁻³ salt solution. After 30 minutes, which strip will be the most rigid and firm?
- Strip in pure water
- Strip in 0.3 mol dm⁻³ salt solution
- Strip in 0.6 mol dm⁻³ salt solution
- All strips have the same firmness
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