Révisions : Mole & concentration molaire

Quiz
•
Science, Chemistry
•
10th - 11th Grade
•
Hard
+8
Standards-aligned
Laureline Van Overmeir
Used 4+ times
FREE Resource
30 questions
Show all answers
1.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
La concentration molaire C, la quantité de matière n et le volume V sont liés par la (ou les) relation(s) :
n = C / V
n = C x V
C = n x V
C = n / V
Tags
formules
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
On prépare 200 mL d'une solution sucrée de concentration molaire 1 mol/L. Quelle quantité de matière de sucre possède cette solution ?
0,2 mol
0,5 mol
1 mol
200 mol
Tags
calcul mole
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
On dissout 1 mol de sel dans 500 mL d'eau. Quelle est la concentration molaire en sel de la solution ?
2 mol/L
0,5 mol/L
1 mol/L
5 mol/L
Tags
calcul concentration
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Une solution aqueuse de volume 200 mL contient 0,50 mol de glucose. La concentration molaire en glucose est :
0,0025 mol.L-1
0,025 mol.L-1
0,25 mol.L-1
2,5 mol.L-1
Tags
calcul concentration
5.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
Je prépare une solution de 100 mL en mélangeant 0,2 mol d’aspirine et de l’eau. Quelle est la concentration de la solution ?
Tags
calcul concentration
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Je veux préparer une solution aqueuse de NaCl qui ait une concentration de 0,5 mol/L. Combien de moles de NaCl dois-je dissous si je veux obtenir 300 mL de solution ?
0,167 mol
1,5 mol
0,5 mol
0,15 mol
Tags
calcul mole
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dans quel volume dois-je dissous 1 mol de sucre si je veux obtenir une solution de concentration 2 mol/L ?
1 L
750 mL
500 mL
2 L
Tags
calcul volume
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