Alkali

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A substance that has a [[PH|pH over]] 7 and reacts with water to produce OH<sup>-</sup> and with an [[acid|acid]] to form [[Water|H<sub>2</sub>O]] and a salt.<br>  
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A substance that has a [[PH|pH over]] 7 and reacts with water to produce OH<sup>-</sup>&nbsp;ions and with an [[Acid|acid]] to form [[Water|H<sub>2</sub>O]] and a salt. Alkalis of known concentration&nbsp;can be used in a titration to identify an unknown concentration of an acid.<br>
  
=== Brønsted Lowry Base  ===
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=== Brønsted-Lowry Base  ===
  
A [[molecule|molecule]] that accepts [[Proton|H<sup>+</sup>.]]  
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A [[Molecule|molecule]] that accepts [[Proton|H<sup>+</sup>.]]  
  
 
=== Lewis Base  ===
 
=== Lewis Base  ===
  
A [[molecule|molecule]] that donates a pair of [[Electron|electrons]]. <br>
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A [[Molecule|molecule]] that donates a pair of [[Electron|electrons]]. <br>

Revision as of 00:13, 4 December 2015

A substance that has a pH over 7 and reacts with water to produce OH- ions and with an acid to form H2O and a salt. Alkalis of known concentration can be used in a titration to identify an unknown concentration of an acid.

Brønsted-Lowry Base

A molecule that accepts H+.

Lewis Base

A molecule that donates a pair of electrons.

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