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Often uses to compare solution acidities such as in products for humans like hydogen peroxide; PH is a logrithmic measure of hydrogen ion concentration in aquaeous solutions. It was originally defined by biochemist Soren Peter Lauritz Sorenson in 1909.
A measure of the degree of the acidity or the alkalinity of a solution is measured on a PH scale of 1 to 14 with the midpoint of 7.0 representing neutrality. This is a measure of intensity, not capacity. So, in a swimming pool, one desires a neutral score so that people will be comfortable in the water since too much acidity can burn the skin.
pH stands for potential of Hydrogen. It is the measure of the acidity or basicity of a solution.
It is defined as the logarithm of the reciprocal of hydrogen-ion concentration in gram atoms per liter on a scale from 0 to 14 of the acidity or alkalinity of a solution where 7 is neutral, and greater than 7 is more basic and less than 7 is more acidic.
The concept of pH was first introduced by the Danish chemist Soren Peder Lauritz Sorensen at the Carlsberg Laboratory in 1909.
The percentage of hydrogen ions
An acid is a substance that dissociates in water to release hydrogen ions.
An base is a substance theat accepts a hydrogen ion or donates.
It defines whether a substance is a base or an acid and the level of acidity or basity.
pH is a measure of the acidity or basicity of a solution. It is defined as the cologarithm of the activity of dissolved hydrogen ions (H+). ... Unit to measure the hydrogen-ion concentration. It is measured on a scale from 0 to 14 with 7 the neutral point.
The pH of a solution is a measure of the molar concentration of hydrogen ions in the solution and as such is a measure of the acidity or basicity of the solution. The letters pH stand for "power of hydrogen"
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