Final answer:
The equality for the medication stock is 1 tablet of Coumadin equals 2.3 mg of Coumadin, and conversion to other units involves a two-step process depending on the desired units.
Step-by-step explanation:
The equality for the given medication stock is that each tablet of Coumadin contains 2.3 mg of the active ingredient. This is stated as 1 tablet of Coumadin = 2.3 mg of Coumadin. When needing to convert this to other units, you would use a two-step process if the required units are different. For instance, if you needed the mass of Coumadin in micrograms (μg), you would first convert milligrams to grams, and then grams to micrograms. This process requires understanding how these units relate to each other, where 1 mg equals 1 x 10-3 g, and 1 g equals 1 x 106 μg.