05_Aqueous_Solutions-page4 - We’ll be using molar...

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Unformatted text preview: We’ll be using molar concentrations when working with chemical equilibrium. This introduces errors that you should be aware of. While we will not work with activities, we need to know what they are. ( ) Except for dilute systems, the effective concentration of ions is usually less than the actual concentration. The term activity is used to denote this effective concentration. activity ai = fi [ i ] where fi is the activity coefficient for i [ i ] is the molar concentration ...
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This note was uploaded on 01/07/2012 for the course CHEM 290 taught by Professor Harvey during the Fall '08 term at SUNY Stony Brook.

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