100mg/2ml or 250mg/2ml
If you have 2ml, you have 2/3785 gallons, or about 0.00053 gallons. (US Fluid)
mg is a measure of weight therefore there may be any number of mg in 2 ml e.g. if I were to dissolve 5mg of salt in 2ml of water there would be 5mg in 2ml. However I could dissolve 10mg of salt in 2ml of water then there would be 10mg in 2ml. 2ml of WATER weighs 2g
75/125=0.6
2ml
One deciliter is 100mL
2ml
Depends on the density.
5ml
No.
1gm in 2ml of water
.2 units