An English unit of mass used in pharmaceutical work is the grain (gr).15 gr=1.0g. An aspirin tablet contains 5.0 gr of aspirin. A 155-lbarthritic person takes a dosage of 2 asprin tablets per day.
a. What is the quantity of aspirin in two tablets, expressed in mg?
b. What is the dosage rate of aspririn, expressed in mg aspirin per kg of body weight?
c. At 2 aspirin tablets per day, how many years does it take for a person to consume 1.0 lb aspirin?