Which of the following pH values is that of a weak acid?pH 8pH 13pH 2pH 6
Question
Which of the following pH values is that of a weak acid?pH 8pH 13pH 2pH 6
Solution
The pH scale ranges from 0 to 14. A pH of 7 is neutral, anything below 7 is considered acidic, and anything above 7 is considered basic or alkaline.
The closer the pH is to 0, the stronger the acid is. Conversely, the closer the pH is to 14, the stronger the base is.
Given the pH values in the question, the weak acid would be the one with the pH value closest to 7, but still below 7.
So, the pH value of a weak acid from the given options is pH 6.
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