Practice problems

# Question
1 Oral tablets of Chlorpheniramine maleate contain 4 mg of Chlorpheniramine maleate If the molecular weight of Chlorpheniramine is 274.8 and the molecular weight of Chlorpheniramine maleate is 390.8, calculate the amount of Chlorpheniramine in each tablet.
2 A prescription calls for 15mL of a 3% solution of Drug D (MW 336 ) but because of solubility issues a salt of Drug D (MW 417 ) must be used. How many milligrams of the salt are required?

Answers

The Answer to question 1 is: 2.81 mg

The Answer to question 2 is: 558 mg