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aridani2013
@aridani2013
January 2021
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Bonjour ! J'ai besoin d'aide svp !
Merci d'avance !
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Litaingue
Bonjour ,
Na2SO4 ----> 2Na+ + SO4 2-
C 2C C
Or on sait que la concentration de Na2+ dans la solution aqueuse de sulfate de sodium vaut 0,020 mol/ L
Donc 2C = 0,020 mol/L
C'est a dire
C = 0,010 mol /L
Voila bonne journée a toi :)
2 votes
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Na2SO4 ----> 2Na+ + SO4 2-
C 2C C
Or on sait que la concentration de Na2+ dans la solution aqueuse de sulfate de sodium vaut 0,020 mol/ L
Donc 2C = 0,020 mol/L
C'est a dire C = 0,010 mol /L
Voila bonne journée a toi :)