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- 3,000+ Free Ph Scale & Scale Images - Pixabay
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7 kwi 2021 · The pH scale measures the acidity or alkalinity of a substance. The scale ranges from 0 (the most acidic) to 14 (the most basic).
Illustration of the pH scale with corresponding acidic or alkaline values for common substances, foods and household chemical.
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pH is a measure of how acidic/basic water is. The range goes from 0 - 14, with 7 being neutral. pHs of less than 7 indicate acidity, whereas a pH of greater than 7 indicates a base. pH is really a measure of the relative amount of free hydrogen and hydroxyl ions in the water.
pH is measured on a logarithmic scale. The formula for pH is. pH = – log 10 [H +] Where [H +] is the hydrogen ion concentration. Range and Indication. The range of pH goes from 0 to 14. A value less than 7 indicates that water is acidic. A value greater than 7 indicates that water is alkaline. A value equal to 7 shows that water is neutral ...
