How to use in-sentence of “acidity”:
+ The pH is expected to reach 7.7 by the year 2100, an increase of 320% in acidity in a century.
+ As in yogurt, when the acidity rises due to lactic acid-fermenting organisms, many other pathogenic microorganisms are killed.
+ The highest quality olive oil must feature an acidity lower than 0.8%.
+ The reason for this high acidity is the resonance stabilization of the molecule when it becomes an anion.
+ E numbers between E300 and E399 are antioxidants and acidity regulators.
+ The main differences between the two are that the acidity levels of alkenes are much higher than the ones in alkanes.

