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The ph range is commonly given as zero to 14, but a ph value can be less than 0 for very concentrated strong acids or greater than 14 for very concentrated strong bases. The term, widely used in chemistry, biology, and agronomy, translates the values of the concentration of the hydrogen ion into numbers between 0 and 14. Ph measures the concentration of hydrogen ions (h⁺) in a solution and indicates whether a solution is acidic, neutral, or basic

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The ph scale typically ranges from 0 to 14, where 7 is neutral, values below 7 are acidic, and values above 7 are basic (alkaline). A ph value is the quantitative measure of the acidity or basicity of aqueous or other liquid solutions