pH Scale Illustration With Examples
pH Scale Illustration With ExamplespH Scale Illustration With ExamplespH Scale Illustration With Examples
pH Scale Illustration With Examples
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Acids, Bases, Buffers, and the pH Scale - P2
pH Scale Graphic by Edward Stevens
Salts and pH Buffering
Salts are inorganic molecules can act as buffers to reduce fluctuations in pH by releasing cations and anions other than H+ and OH- in solution. An example of a salt buffer is a product like Tums the stomach antacid, which is made of the ionic compound calcium carbonate (CaCO3). Carbonate reacts with a free hydrogen ion (H+), forming bicarbonate. Then bicarbonate reacts with a free hydrogen ions to create carbonic acid (H2CO3), which then can dissociate (break down further) into water (H2O) and carbon dioxide (CO2). During this process, free hydrogen ions are locked up, preventing the pH from lowering.
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Endomembrane System of a Eukaryotic Cell, Mariana Ruiz
Page last updated: 11/2015
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​Additional Resources On pH Scale
  • pH Scale interactive lesson and quiz from scool.co.uk

VIDEO

pH

from Crash Course Chemistry