Question #58475

1 Answer
Kathryn Celestine
Jul 1, 2014

pH is a measure of hydrogen ion concentration. The pH scale was originated by Sorensen. He set 0 pH as the hydrogen ion concentration of a 1.0 molar solution of a strong monoprotic acid (like HCl). 14 on the pH scale uses its standard as the hydrogen ion concentration in a 1.0 molar concentration of a strong base (like NaOH). pH is actually a negative logarithmic scale. To determine pH, take the negative logarithm of the hydrogen ion concentration.

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