Classify each of the following solutions as acidic, basic, or neutral based on the pH value.
(a) pH = 8.0
(b) pH = 7.0
(c) pH = 3.5
(d) pH = 6.1
a pH less than 7.0 is acidic and a pH greater than 7.0 is basic. 7.0 is neutral.
To classify the solutions as acidic, basic, or neutral based on their pH values, we need to understand the pH scale.
The pH scale ranges from 0 to 14, where a pH of 7 is considered neutral. Solutions with a pH below 7 are acidic, while solutions with a pH above 7 are basic or alkaline.
(a) pH = 8.0: This solution has a pH above 7, so it is considered basic.
(b) pH = 7.0: This solution has a pH of 7, which is exactly in the middle of the pH scale. Therefore, it is considered neutral.
(c) pH = 3.5: This solution has a pH well below 7, so it is considered acidic.
(d) pH = 6.1: This solution has a pH less than 7 but greater than 5, so it is considered slightly acidic.
To determine the acidity or basicity of a solution based on its pH value, you only need to compare the pH number to 7. A pH below 7 is acidic, a pH of 7 is neutral, and a pH above 7 is basic.
To determine whether a solution is acidic, basic, or neutral based on the pH value, we can refer to the pH scale. The pH scale ranges from 0 to 14, and a pH value below 7 indicates an acidic solution, a pH of 7 indicates a neutral solution, and a pH above 7 indicates a basic solution.
Now, let's classify each of the given solutions:
(a) pH = 8.0
Since the pH value of 8.0 is greater than 7, the solution is basic.
(b) pH = 7.0
The pH value of 7.0 is exactly 7, which means the solution is neutral.
(c) pH = 3.5
Since the pH value of 3.5 is less than 7, the solution is acidic.
(d) pH = 6.1
Similar to solution (c), the pH value of 6.1 is less than 7, so the solution is also acidic.