Final answer:
The pH of a solution made by dissolving an acid in water will be less than 7, indicating that the solution is acidic due to the increased concentration of hydrogen ions.
Step-by-step explanation:
When an acid is dissolved in water, the pH of the solution will be less than 7. This is because acids release hydrogen ions (H+) when dissolved, which makes the solution acidic. The pH is calculated as the negative logarithm of the hydrogen ion concentration, so a high concentration of H+ ions corresponds to a lower pH value. Therefore, for a solution made by dissolving an acid in water, the pH will be < 7, indicating an acidic nature.
Several everyday examples illustrate this concept, such as wine, which typically has a pH around 3.0, and vinegar, known for its sour taste and acidic properties.