La mole
Quiz
•
Chemistry
•
6th - 8th Grade
•
Practice Problem
•
Medium
Nancy Devaux
Used 1+ times
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11 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Combien il y a-t-il d'entités dans une mole ?
12
6,023 x 1022
6,022 x 1023
23,02 x 106
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Combien vaut la constante d'Avogadro ?
12
2,06 x 1013
6,022 x 1023
23,02 x 106
3.
MULTIPLE SELECT QUESTION
5 mins • 1 pt
La mole :
Est une unité de mesure
Représente le nombre d’entités présentes dans 1g
Représente une quantité de matière
S’exprime en g/mol
4.
MULTIPLE SELECT QUESTION
5 mins • 1 pt
La masse molaire :
Indique le nombre de moles d’un composé
Indique la masse d’une mole d’un composé
S’exprime en mol
S’exprime en g/mol
5.
MULTIPLE SELECT QUESTION
5 mins • 1 pt
Dans deux moles de NaCl :
Il y a 100 g de NaCl
Il y a 6,022.1023 molécules de NaCl
Il y a deux moles de Na et deux moles de Cl
Il y a 58 molécules de NaCl
6.
MULTIPLE SELECT QUESTION
5 mins • 1 pt
La masse molaire de HCl est :
35,5 g
36,5 g
35,5 g/mol
36,5 g/mol
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
100 g de sucre (saccharose) sont nécessaires pour faire un gâteau. Quelle est la quantité de matière contenue dans 100 g de sucre?
On donne la masse molaire du saccharose: M = 342 g/mol
3,42 mol
0,29 mol
0,29 g
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