Question

A liquid medicine is labeled as having 5% active ingredient, by volume. If

the dosage of the medicine is 50 mL, how much of the active ingredient is
to be ingested? *

Answer 1

2.5 mL

Step-by-step explanation:

Step 1: Given data

• Concentration of the active ingredient (C): 5% v/v

• Volume of the medicine (V): 50 mL

Step 2: Calculate the amount of the active ingredient in the medicine

The concentration of the active ingredient is 5% v/v, that is, there are 5 mL of the active ingredient per 100 mL of the medicine. The volume of the active ingredient is 50 mL of the medicine is:

50 mL Med × 5 mL AI/100 mL Med = 2.5 mL AI