Answer: 2 mL of 0.5M EDTA
Step-by-step explanation:
1. The best equation to use for this is M1V1 = M2V2
M represents the concentration and V represents the volume.
2. Plug in known values and convert mM to M.
0.5M * V1 = .001M * 1L
Now solve for V1
3. V1 = .002L --> 2.0 mL