Diffusion calculations

Question 1

What is concentration

Answer 1

the amount of a substance in a certain volume

Question 2

concentration gradient

Answer 2

the difference between two concentrations

Question 3

Linear relationships

Answer 3

a straight liner graph that goes through the origin point

Question 4

Directly proportional

Answer 4

When one variable increases so does the other

Question 5

Inversely proportional

Answer 5

When one variable goes up the other goes down

Question 6

What is the calculation for concentration

Answer 6

mass of solute (g)/volume of solution (dm3)

Question 7

How do you calculate rate of diffusion

Answer 7

1/thickness of membrane

Question 8

How do you calculate rate of diffusion (Fick’s Law)

Answer 8

Surface area x concentration difference/ thickness of membrane