myscript07.py

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Created on October 15, 2024

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Lacide AH et sa base conjuguée A- forment un couple acide base noté AH/A
sil est possible de passer de lun à 
lautre par transfert dun ion hydrogène. La demi-équation du couple sécrit :
AH fleches A + H+
ion oxonium / eau= H3O+(aq) / H2O(l)
eau / ion hydroxyde H2O(l)/HO (aq
acide carbonique / ion 
hydrogénocarbonate=CO2, H2O(aq) / HCO3 
ion hydogénocarbonate / ion 
carbonate :HCO3(aq) / CO3 2 
acide carboxylique/ion carboxylate RCO2H(aq) / RCO2
ion ammonium / ammoniac NH4+/ NH3
Une espèce amphotère est à la fois lacide dun couple et la base dun autre couple.
: H2O et HCO3
Ph =-log (h3O+):C0

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