Final answer:
Acidic solutions have a pH that is less than 7, as the pH scale ranges from 0 to 14 and a pH less than 7 indicates a higher H+ concentration.
Step-by-step explanation:
Acidic solutions have a pH that is less than 7. This is because the pH scale, which ranges from 0 to 14, measures the acidity or basicity of a solution based on the concentration of hydrogen ions (H+). A pH less than 7 indicates a higher concentration of hydrogen ions, making the solution acidic. In contrast, a solution with a pH higher than 7 is basic (or alkaline), and a pH of exactly 7 is considered neutral. It’s important to note that the pH scale is typically between 0 and 14, but it can exceed these values in extreme cases. Lastly, a pH value of zero corresponds to the most acidic condition, while a pH of fourteen is the most basic (alkaline).