Les ppm (parties par million) | Sciences et technologies | Alloprof
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Les ppm (parties par million) | Sciences et technologies | Alloprof
C’est quoi les ppm? Toutes les explications sont dans cette vidéo! Valérie t’explique toutes les notions pour comprendre la concentration en parties par million et son utilité. Pour en savoir plus, tu peux visiter la fiche suivante : https://www.alloprof.qc.ca/fr/eleves/bv/sciences/les-ppm-parties-par-million-s1576. Découvre toutes les ...
52K viewsAug 26, 2020
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