hydrogen ion concentration

Noun
  1. The number of moles of hydrogen ions per cubic decimeter (synset 105046114)
    is a type of: concentration - the strength of a solution; number of molecules of a substance in a given volume
    subtypes: ph, ph scale - (from potential of Hydrogen) the logarithm of the reciprocal of hydrogen-ion concentration in gram atoms per liter; provides a measure 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)

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