February 20, 2017

Homework Help: chemistry

Posted by kr on Wednesday, February 1, 2012 at 12:28am.

An antibiotic is sold in 4.0 mL ampoules that contain 60.0 mg of drug (60.0 mg/ 4.0 mL). How many milliliters of the antibiotic should be withdrawn from the ampoule if 20 mg are to be administered to a patient?Use correct number of sig figs


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