Chapter15: Complex Acid/base Systems
Section: Chapter Questions
Problem 15.27QAP
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21 Available is tobramyoin 40 mg/ml. How much tobramycin (in milliliters) is needed for the following prescription Tobranycin 5 mg/ml. 5 ml?
25. How much (in milliliters) of a 1% w/v solution of phenylmerourie nitrate may be uned in preparing a 100-ml. prenoription requiring 1:50,000 w/v of
pherylmercuric nitrate as a preservative?
27. How much water (in milliliters) should be added to 1L of 1:3000 w/v solution to make a 1: 8000 w/v solution?
49. How much (in milliliters) of a 2% w/v solution of lidocaine hydrochloride should be used in preparing 500 mt. of a solution containing 4 mg of lidocaine
hydrochloride per milliliter of solution?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F7fad2c32-31da-42bf-9259-219755c02c5f%2F235294d8-a2cd-4b08-9d30-893dadf6baf9%2Fw40gk2b_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Help me please
21 Available is tobramyoin 40 mg/ml. How much tobramycin (in milliliters) is needed for the following prescription Tobranycin 5 mg/ml. 5 ml?
25. How much (in milliliters) of a 1% w/v solution of phenylmerourie nitrate may be uned in preparing a 100-ml. prenoription requiring 1:50,000 w/v of
pherylmercuric nitrate as a preservative?
27. How much water (in milliliters) should be added to 1L of 1:3000 w/v solution to make a 1: 8000 w/v solution?
49. How much (in milliliters) of a 2% w/v solution of lidocaine hydrochloride should be used in preparing 500 mt. of a solution containing 4 mg of lidocaine
hydrochloride per milliliter of solution?
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