Concentration: Difference between revisions
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Concentration refers to how much of something there is in a given volume, commonly liquid or gas | Concentration refers to how much of something there is in a given volume, commonly liquid or gas<sup>1</sup><sup></sup><sup></sup> | ||
This can be given for each [[Solvent|solvent]] in mol dm<sup>-3</sup> (mol/l)(M), this is its [[Molar concentration|molar concentration]]. | This can be given for each [[Solvent|solvent]] in mol dm<sup>-3</sup> (mol/l)(M), this is its [[Molar concentration|molar concentration]]. | ||
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One [[Mole|mole]] of a [[Compound|compound]] contains 6.02 x 10<sup>23</sup> molecules, this is [[Avogadro's number|Avogadro's constant]] | One [[Mole|mole]] of a [[Compound|compound]] contains 6.02 x 10<sup>23</sup> molecules, this is [[Avogadro's number|Avogadro's constant]] | ||
'''Concentration (in Molar) can be found using the equation:''' | '''Concentration (in Molar) can be found using the equation:''' ''Concentration (Molar) = Number of Moles/Volume (dm<sup>3</sup>)<sup>1</sup><sup></sup>'' | ||
''Concentration (Molar) = Number of Moles/Volume (dm<sup>3</sup>)'' | |||
<br> ''<references />'' 1. Expressing Concentration of Solutions [Internet]. Chem.purdue.edu. 2016 [cited 30 November 2016]. Available from: http://www.chem.purdue.edu/gchelp/solutions/character.html | |||
Revision as of 22:04, 30 November 2016
Concentration refers to how much of something there is in a given volume, commonly liquid or gas1
This can be given for each solvent in mol dm-3 (mol/l)(M), this is its molar concentration.
Another useful measure of concentration is for all of the solutes in a solvent, osmolarity or osmolality
One mole of a compound contains 6.02 x 1023 molecules, this is Avogadro's constant
Concentration (in Molar) can be found using the equation: Concentration (Molar) = Number of Moles/Volume (dm3)1
1. Expressing Concentration of Solutions [Internet]. Chem.purdue.edu. 2016 [cited 30 November 2016]. Available from: http://www.chem.purdue.edu/gchelp/solutions/character.html