A solution measuring pH 12 is _________ times __________ concentrated with H+ than a solution measuring pH 9.
The term "pH" was first described by Danish biochemist Soren Peter Lauritz Sorensen. pH is defined as the negative logarithm of hydrogen ion concentration in a water-based solution. p represents the german word power, potenz and H is the hydrogen element symbol. pH measures the acidity or alkalinity of a solution which is measured on a scale of 0 to 14. Neutral solutions such as pure water have a pH of 7, acidic solutions have a pH lower than 7, and alkaline solutions have a pH higher than 7. The acidic solution consists of a higher concentration of hydrogen ions (H+) and the basic solution has a low concentration of hydrogen ions (H+).
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