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marinette2804
@marinette2804
January 2021
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Exos de physique please
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gilles2016
1) Masse molaire = 12×12+22×1+11×16
M =342 g/mol
2) quantité de matiere :
n= m/M
= 5/342 ≈ 0,015 mol
3) nombre de mole :
N= 0,015×6,02×10²³=903×10¹⁹
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Lista de comentários
M =342 g/mol
2) quantité de matiere :
n= m/M
= 5/342 ≈ 0,015 mol
3) nombre de mole :
N= 0,015×6,02×10²³=903×10¹⁹