1ere Spé quantité de matière
Quiz
•
Chemistry
•
11th Grade
•
Medium
Alexandre OLCZYK
Used 2+ times
FREE Resource
61 questions
Show all answers
1.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Une mole d'entités chimiques contient :
Un nombre variable d'entités chimiques.
Toujours le même nombre d'entités chimiques.
Toujours la même masse d'entités chimiques
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Quelle est l'unité de la quantité de matière ?
le gramme
le kilogramme
la mole
le litre
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
La masse molaire moléculaire de l'éthanol (formule brute : C2H6O) est égale à ...
Données : MH = 1,0 g/mol ; MC = 12,0 g/mol ; MO = 16,0 g/mol
1 + 12 + 16 = 29 g/mol
12 + 2 x 1 + 6 x 16 = 110 g/mol
2 x 12 + 6 x 1 + 16 = 46 g
2 x 12 + 6 x 1 + 16 = 46 g/mol
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Quelle est la bonne relation entre la quantité de matière et la masse de l'échantillon ?
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Quelle est l'unité de la concentration en quantité de matière C d'une espèce chimique en solution ?
L/mol
g/mol
mol/L
mol
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Quelle est la relation entre la concentration en quantité de matière C et la concentration en masse Cm ?
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