
QCM chapitres 4 et 5 1ère spé

Quiz
•
Chemistry
•
11th Grade
•
Medium

Pauline BATS
Used 2+ times
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19 questions
Show all answers
1.
MULTIPLE SELECT QUESTION
1 min • 1 pt
La masse molaire moléculaire représente la masse :
d’une mole de molécules.
de 6,02 x 1023 molécules.
d'une molécule.
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
La masse molaire moléculaire du dioxyde de carbone CO2 est égale à
2 x M(C) + 2 x M(O)
M(C) + M(O)
M(C) + 2 x M(O)
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Le volume molaire d’un gaz dans les conditions normales de température et de pression vaut :
22,4 mol.L-1
22,4 g.L-1
22,4 L.mol-1
22,4 L
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
La quantité de matière contenue dans un volume de dioxygène est égale à :
n(O2) = V/M
n(O2) = Vm/M
n(O2) = V/m
n(O2) = V/Vm
5.
MULTIPLE SELECT QUESTION
1 min • 1 pt
La quantité de matière n, la masse m et la masse molaire M sont liées par :
n = m × M
n = M / m
n = m / M
m = n x M
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
La concentration en quantité de matière C d’une espèce chimique en solution s’écrit :
C = n × Vsolution
C = n / Vsolution
C = Vsolution / n
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
La concentration en masse d’un soluté en solution s’exprime :
C = M / Vsolution
C = Vsolution / msoluté
C = nsoluté / Vsolution
C = msoluté / Vsolution
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