Mole Francais

Quiz
•
Science
•
10th - 11th Grade
•
Hard
Standards-aligned
Charles Martinez
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Quelle est la masse molaire du magnésium (arrondie à l'unité) ?
12 g/mol
24 g/mol
48 g/mol
impossible à trouver
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Quelle est la masse molaire du diazote (arrondie à l'unité) ?
7 g/mol
14 g/mol
28 g/mol
impossible à trouver
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Dans 24 grammes de carbone, il y a combien de moles d'atomes ?
1
2
3
4
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Si on a 6 x 1023 molécules de dihydrogène, on a combien de moles d'ATOMES d'hydrogène ?
1
2
3
4
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Il y a plus d'atomes dans 40 grammes de calcium ou dans 7 grammes de lithium ?
dans les 40 g de Ca
dans les 7 g de Li
même nombre dans les 2 cas
impossible à déterminer
Tags
NGSS.HS-PS1-7
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Quelle est la masse molaire moléculaire du MgF2 ? (utiliser les masses molaires atomiques arrondies à l'unité)
62 g/mol
43 g/mol
30 g/mol
21 g/mol
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Quelle est la masse molaire moléculaire du Ca(NO3)2 ? (utiliser les masses molaires atomiques arrondies à l'unité)
102 g/mol
82 g/mol
100 g/mol
164 g/mol
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