Osmosis Practicle

Question 1

How do you calculate the percentage change of mass in your potato cylinder?

Answer 1

Percentage change in mass=final mass- initial mass/initial mass. X100

Question 2

What is the method for the osmosis practical

Answer 2

1-cut three pieces of potato to the same length
2-dry each piece on a paper towel
3-weigh each piece
4-place each piece in a different concentration of sugar solution
5-leave all three pieces for two hours
6-dry, each piece of paper towel
7-measure the length and mass of each piece of potato

Question 3

What tools do you need to complete the osmosis practical

Answer 3

1-use a cork borer to cut five potato cylinders of the same diameter
2-use a scalpel and ruler to trim each potato cylinder so that they are all the same length