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Date: Wed, 26 Jan 2022 08:37:23 -0800 (PST)
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Subject: acide-base
From: Dutrieux Maud <dutrieuxmaud2@gmail.com>
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bonjours je dois r=C3=A9aliser une =C3=A9quation =C3=A0 trou et elle me blo=
que=20
L'=C3=A9quation de dosage de la soude par l'acide oxalique (symbolis=C3=A9 =
AH2) est la suivante :
2...     + 1...         ---->1... + 2.....=20
ma r=C3=A9ponse qui est donc fausse est=20
2AH2 + 1 H2O   ----->1A2- + 2H3O+

sachant que la soude est compos=C3=A9e de HO- et NA+=20
je suis perdu pouvez vous m'aider?