An isotonic solution of pilocarpine hydrochloride is being preapred at a 1.5 % w/v concentration. This drug has an e-Value of 0.24. The pharmacist needs to prepare 30 mL of the pilocarpine hydrochloride solution but also make it isotonic. The pharmacist will add enough boric acid to make the solution isotonic when a sufficient quantity of sterile water is added. Boric acid has a 61.83 g/mol molar mass and an e-Value of 0.52.What mass of boric acid, in units of milligrams, is needed to make this 1.5 % pilocarpine hydrochloride solution isotonic?Round the answer to one decimal place.

Introduction to General, Organic and Biochemistry
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Chapter6: Solutions And Colloids
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An isotonic solution of pilocarpine hydrochloride is being preapred at a 1.5 % w/v concentration. This drug has an e-Value of 0.24. The pharmacist needs to prepare 30 mL of the pilocarpine hydrochloride solution but also make it isotonic. The pharmacist will add enough boric acid to make the solution isotonic when a sufficient quantity of sterile water is added. Boric acid has a 61.83 g/mol molar mass and an e-Value of 0.52.

What mass of boric acid, in units of milligrams, is needed to make this 1.5 % pilocarpine hydrochloride solution isotonic?

Round the answer to one decimal place.

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