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Biology 14 Online
OpenStudy (anonymous):

A research technician is asked to prepare 120 mL of a 2.5 % aqueous solution of a drug from a stock solution. The stock solution contains 60 g per L of the drug. Show all calculations and units. A) What percent concentration is the stock solution? (1) B) How much of the stock solution and distilled water should be used to achieve the desired dilution?

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