A 1 carat diamond weighs approximately 200 milligrams.
Metronidizole is and antibiotic it comes in the form of a cream and you can get it in tablet forms in strengths of 200mg, 400mg and 500mg it is used to treat infection such as dental, genital and also can be used for some stomach and skin infections.
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
100mg/2ml or 250mg/2ml
I am prescribed Prexum 4mg tablets one daily to lower my blood pressure. It contains Perindopril tert-butylamine salt 4mg. It works for me.
The concentration is 200 mg/2 ml, so it has 100 mg/1 mL. 150/x = 200/2. The answer is 1.5 mL.
0.002 L
Google's calculator reports 180 milligrams = 2.7778245 grains
If you have 2ml, you have 2/3785 gallons, or about 0.00053 gallons. (US Fluid)
2ml
One deciliter is 100mL
200mg is 1/25 of a teaspoon.