pH scale and significance.
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pH is a measure of the acidic or basic (alkaline) nature of a solution (concentration of the hydrogen ion [H+] activity in a solution determines the pH). The pH scale ranges from 0 to 14, which is the most acidic, a pH of 7 is neutral, and 14 is the most alkaline. The pH scale is logarithmic and as a result, pH 8 is ten times more alkaline than 7, and pH 9 is hundred times more alkaline.
pH is a measure of the acidic or basic (alkaline) nature of a solution (concentration of the hydrogen ion [H+] activity in a solution determines the pH). The pH scale ranges from 0 to 14, which is the most acidic, a pH of 7 is neutral, and 14 is the most alkaline. The pH scale is logarithmic and as a result, pH 8 is ten times more alkaline than 7, and pH 9 is hundred times more alkaline.
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