Biology PAG 8.2

PAG 8.2 investigating osmosis :                 

HazCard : No

• 75 cm Dialysis/ Visking tubing (provided in water)

• Ruler

• Scissors

• Clips (optional)

• 1.0 M Sucrose solution (100CC), 0.8 M (200CC) and 0.4 M(100CC) in a 250ml beakers.  Student will do Serial dilution for the other strength (0.4M,0.2M,0.1M)

• Distilled water

• Dropping pipette

• 3 x 250 cm3 beakers for serial dilution

• 100 cm3 measuring cylinder

• Marker pen

• Stopwatch/ timer

• Balance

• Paper towel

• Tweezers to pick up visking tubing

• Spare 150CC beaker