J.R. S. answered • 09/19/17
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20 mg/250 ml x 5 ml = 0.4 mg present in 5 ml
Sonia B.
asked • 09/17/17Chemistry question
If 20 mg of a drug is dissolved in 250 mL of solvent, how many mg of the drug are present in 5 mL of that solution?
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