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Mesdevoir1
@Mesdevoir1
May 2019
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Aidez moi pour l exo 2 svp je comprend rien
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scoladan
Verified answer
Bonjour,
1) réactifs : Ag° et I⁻ (les ions NO₃⁻et K⁺ sont spectateurs)
2) Ag⁺ + I⁻ → AgI(s)
3) oui, lc changement de couleur indique que le diiode a été transformé.
4) 2S₂O₃²⁻ + I₂ → 2I⁻ + S₄O₆²⁻
1 votes
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Lista de comentários
Verified answer
Bonjour,1) réactifs : Ag° et I⁻ (les ions NO₃⁻et K⁺ sont spectateurs)
2) Ag⁺ + I⁻ → AgI(s)
3) oui, lc changement de couleur indique que le diiode a été transformé.
4) 2S₂O₃²⁻ + I₂ → 2I⁻ + S₄O₆²⁻