Massachusetts Pharmacy Technician License Practice Test

What percentage of a solution is considered a 5% concentration?

1. 0.5%

2. 5%

3. 10%

4. 15%

The correct answer is: 5%

A 5% concentration refers to a solution where there are 5 grams of solute in every 100 milliliters of solution. This percentage expresses the amount of solute relative to the total volume of the solution, allowing for a straightforward understanding of how concentrated the solution is. In this context, the correct answer reflects that a 5% concentration specifies exactly that—5 out of every 100 parts of the solution. This measurement is commonly used in pharmacy and laboratory settings to ensure precise formulations of medications and solutions. Understanding solution concentration is critical for pharmacy technicians as it impacts dosage calculations, preparation of medications, and overall patient care. When interpreting this concentration, it is important to recognize that any percentage below 5% indicates a less concentrated solution, while any percentage above indicates a more concentrated one. This foundational knowledge facilitates accurate mixing and dispensing of pharmaceutical compounds.