"Lorsque l'on met du sel dans l'eau et que l'on remue avec une cuillère, il y a ......... du sel.
2022_Concentration, dilution, masse volumique

Quiz
•
Chemistry
•
9th Grade
•
Medium
Used 96+ times
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60 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
"Lorsque l'on met du sel dans l'eau et que l'on remue avec une cuillère, il y a ......... du sel.
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
On dissout 100 g d'aspirine dans 2 L d'eau. Quelle est la concentration en g/L de la solution ?
50 g/L
100 g/L
200 g/L
0,02 g/L
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
DILUTION: On te donne 150 ml d'une solution de concentration 0,50 g/L. Si tu ajoutes 450 ml de solvant, quelle sera la nouvelle concentration de cette solution?
0,125 g/L
8 g/L
0,16 g/L
12,5 g/L
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