#ANA Remédiation dilution
Authored by Karine Charre 2B
Chemistry
11th Grade
Used 4+ times
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21 questions
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1.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Comment s'appelle cet instrument ?
pipette jaugée
becher
fiole jaugée
éprouvette
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Quel est le facteur du dilution k de cette dilution ?
k = 5 mL
k = 20
k = 5
k = 0,2
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Quelle est la concentration molaire de la solution diluée ?
Cdiluée = 1,0 x 10-1 mol.L-1
Cdiluée = 5,0 x 10-2 mol.L-1
Cdiluée = 5,0 x 10-3 mol.L-1
Cdiluée = 1,0 x 10-3 mol.L-1
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Quelle relation permet de passer de la concentration massique Cm (en g.L-1) à la concentration molaire C (en mol.L-1) ?
aide : n = m / M
C = Cm x M
C = Cm + M
C = Cm / M
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
dissolution ou dilution ?
dissolution
dilution
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
On part d'une solution "mère".
dissolution ou dilution ?
dissolution
dilution
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
On part d'un soluté.
dissolution ou dilution ?
dissolution
dilution
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