Drug solutions

How much medication is in an mL of a 2:1000 solution?

 

How much medication is in an mL of a 4% solution?
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1 Answer

2:1000 is 0.2% solution. So this is 2/1000 or 0.002ml in 1ml of solution.

A 4% solution is 4:100 or 40/1000 that is, 40ml to 1L of solution, or 4/100=0.04ml in 1ml of solution.

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