Which of the Following Solutions Has the Potential to Diffuse

Multiple Choice

Which of the following solutions has the potential to diffuse the fastest?

A) one with large molecules as opposed to smaller ones
B) one with a higher concentration of molecules as opposed to one with a lesser concentration
C) one under low pressure as opposed to one under high pressure
D) one at a low temperature as opposed to one at a higher temperature
E) all of these have the potential to diffuse equally fast