A drug for injection is supplied as a vial has a concentration of 5% w/v. 10...

A drug for injection is supplied as a vial has a concentration of 5% w/v. 10 mL of this vial is injected into an infusion bag to make a final volume of 500 mL. What is the concentration of the drug in the infusion bag?

Expert Solution

answer is 10mg/ml

steps

You need to know that 5 % means 5/100.. this means 5 g in 100 ml..

5G =5000MG

so here mg/ml is 5000mg/500ml =10mg/ml is the concentration of drug in infusion bag

Nightingale answered 2 years ago

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