Dosage MathQuestion 69 of 100
The order is 20 mg of a liquid concentrated at 10 mg/mL. How many mL should the aide draw up?
a.1 mL
b.2 mL
c.0.5 mL
d.20 mL
Explanation
Using the concentration: 20 mg ÷ 10 mg/mL = 2 mL. Dimensional analysis cancels the mg units and leaves the correct volume in mL.
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