Let's say for Part A of the Procedure and Analysis number 1, you were told to use 75.0 ml of a 1.6 X 10^-6 M crystal violet solution and dilute to 100 ml. What would the molarity stock solution . 

A) 1.2 X 10^-6 M 

B) 2.1 X 10^-6 M 

C) 1.6x10^-6 M 

D) none of the above