20 A 15mL package of nasal spray delivers 20 sprays per mill

20. A 15-mL package of nasal spray delivers 20 sprays per millititer of solution, with each spray containing 1.5 mg of drug. (a) How many total sprays will the package deliver? (b) How many milligrams of drug are contained in the 15-mL package of the spray? ano vlents of potassium ion

Solution

If there can be 20 sprays for each ml of solution so for 15 ml package there will be 20*15 = 300 sprays.

For each spray 1.5 mg drug is there so for a package of 15 ml which gives 300 sprays, it will give 1.5*300= 450 mg of drugs