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posted by Vicki on Thursday, February 2, 2012 at 11:54am.
If an albuterol inhaler contains 20mg of albuterol, how many inhalation doses can be delivered if each dose contains 90mcg?
20 mg = 20 x 10^-3 g 90 mcg = 90 x 10^-6 g no. of doses = 20 x 10^-3 / 90 x 10^-6 = 222
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