Pre Lab
- Make Solutions
- Wash
- 20 g Sucrose
- Add water until dissolved at 100 mL
- Repeat if necessary
- Wash
- 10 g Sucrose
- Add water until dissolved at 100 mL
- Repeat (consistent with step 4)
- Wash
- 5 g Sucrose
- Add water until dissolved at 100 mL
- Repeat (consistent with step 4)
- Wash
- 2 g Starch
- Add water until dissolved at 100 mL
- Repeat
- Initial Readings
- Soak membranes in water and tie one end of the membranes
- Mass beakers
- Pour solutions into beakers and mass
- Transfer membranes to known mass, pure water beaker and mass the system
- Measure 5 mL of starch solution
- Pour solution into membrane and tie off
- Place membrane in experimental solution beaker and mass
- Final Readings
- Mass beaker and membrane systems
- Perform tests inside and outside
- Mass beaker and membrane systems
- Remove membrane and measure internal liquid volume
- Mass beakers