jspkalby jspkalby
  • 27-11-2022
  • Physics
contestada

Dans un tube à essais, de l'acide chlorhydrique et du fer
réagissent. En approchant une allumette enflammée du
tube, on entend un « pop » et un précipité vert apparaît
quand on ajoute de la soude dans la solution finale.
Écris le bilan de la transformation chimique

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