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The pH scale is a scale to express the acidity of aqueous solutions (i.e. anything dissolved in water).

The scale is divided in equi-distantial units with decimals, comparable with temperature or pressure scales.

Commonly it goes from 0 - 14, with 7 being neutral.

pH stands for parts of hydrogen. It is the negative log of the hydrogen ion concentration.

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13y ago

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Is the potential hydrogen scale also called a pH scale?

Yes it is.


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The scale that measures the strength of acids and bases is called the pH scale. It ranges from 0 to 14, with values below 7 indicating acidity, values above 7 indicating alkalinity, and a pH of 7 being neutral.


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What scale is used to determine pH?

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