Required Practical: Osmosis (OCR GCSE Biology A, Combined (Gateway Science Suite)): Quizzes

To investigate osmosis effects on mass

To cut uniform size cylinders

0.0 M to 1.0 M

24 hours

To remove excess surface liquid

$\text{Final Mass} - \text{Initial Mass}$

$(\text{Change} \div \text{Initial Mass}) \times 100$

Equal water potential

It was hypotonic

It was hypertonic

Solution was isotonic

High to low water potential