dieulove25 dieulove25

17-11-2022
Chemistry

contestada

2016
5.8 Quand on chauffe du cuivre en présence d'un excès de soufre, du sulfure de
cuivre (1) (Cu₂S) se forme.
a) Quelle masse de Cu₂S peut-on obtenir si 1,00 x 102 q de cuivre sont chauffés avec 50g de souffre

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