Diffusion Lab

Robert K. Cristina N. Edward K.

Simple Sugar (Dextrose)

Bag of water in Sugar Solution

Day 1 = 8.4g

Day 2 = 8.74g

Bag tested Positive for Sugar when tested with Benedict.

Protein

Bag of water in Protein Solution

Day 1 = 11.8g

Day 2 =  11.65g

Bag Tested Negative for Protein when tested with Biuret

Starch

Bag of water in Starch Solution when tested with IKI

Day 1 = 8g

Day 2 = 8.77g

Bag Tested Negative for Starch

H20 Test

Bag of Starch in H20

Day 1 = 6.1g

Day 2 = 6.3g

Water Tested Negative for Starch

Conclusions

If a bag tested positive for a solution, That solution was able to permeate the bag.

Sugar was the only thing able to permeate the bag.