Reading the pH scale
It indicates the concentration of hydrogen ions (H+) and hydroxide ions (OH-) in a solution. These ion concentrations are equal in pure water, which has a pH of 7. ThispH value of 7 is important because it indicates a neutral solution.
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Reading the pH scale
It indicates the concentration of hydrogen ions (H+) and hydroxide ions (OH-) in a solution. These ion concentrations are equal in pure water, which has a pH of 7. ThispH value of 7 is important because it indicates a neutral solution.