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, 23:30, September 30, 2007
A '''conjugate base''' is the negatively charged [[ion]] which results from an acid donating a [[proton]] (H<sup>+</sup>). This ion acts as a [[base]], with a strength inverse to the strength of the origonal acid. An example conjugate base is a [[nitrate]] ion (NO<sub>3</sub><sup>-</sup>), which is formed when [[nitric acid]] (HNO<sub>3</sub>) gives up its proton.
==See Also==
*[[Conjugate acid]]
*[[Acid-base reaction]]
[[Category:Chemistry]]