
Les solutions et calculs de concentration
Authored by Caroline Favreau
Science
9th Grade
Used 40+ times

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20 questions
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1.
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2 mins • 1 pt
Transforme les unités en g/L.
400 g/100 mL
2.
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2 mins • 1 pt
Transforme les unités en g/L.
4 mg/L
3.
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2 mins • 1 pt
Transforme les unités en g/L.
0,50 g/20 mL
4.
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2 mins • 1 pt
Transforme les unités en g/L
2 g/4 L
5.
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2 mins • 1 pt
Transforme les unités en g/L.
0,25 g/4 mL
6.
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2 mins • 1 pt
Quelle est la concentration en g/L d'une solution aqueuse de 4 L dans laquelle on a dissous 250 mg de HCl ?
7.
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2 mins • 1 pt
Calculer la concentration d'aspirine obtenue en dissolvant un comprimé contenant 500 mg d'aspirine dans 200 mL d’eau.
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