So, if the concentration of hydrogen ions exceeds 1 mole per liter, as in a 12 M hydrochloric acid solution, the calculated ...

The pH scale that is widely accepted and used by scientists didn't actually exist until 1909. Before then scientists had to rely on using adjectives to describe the acidity or basicity of a substance ...

Søren Peder Lauritz Sørensen, the trailblazing chemist who introduced the pH scale to the world, is celebrated in a Google Doodle. The Danish scientist introduced the scale as a method for testing the ...

How well do you remember the pH scale from chemistry class? Today’s Google Doodle presents a small interactive to jog your memory, and more importantly, celebrate Søren Peder Lauritz Sørensen, the ...