La mole - Exercices simples
Authored by Laureline Van Overmeir
Chemistry
10th - 12th Grade
masse covered
Used 4+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Combien y a-t-il de moles d'eau dans une gouttes d'eau contenant 1,5.1019 molécules d'eau ?
5.105 mol
2,5.105 mol
2,5.10-5 mol
25.10-5 mol
Tags
molécules
2.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Quelle est la masse molaire de Fe2O3 ? Indique ta réponse en arrondissant à l'unité.
Tags
masse molaire
3.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Quelle est la masse molaire de FeSO4.7H2O ? Indique ta réponse en arrondissant à l'unité.
Tags
masse molaire
4.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Quelle est la masse molaire de H2SO4 ? Indique ta réponse en arrondissant à l'unité.
Tags
masse molaire
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Combien y a-t-il de moles dans 15 g d'hydroxyde de magnésium Mg(OH)2 ?
0,13 mol
0,26 mol
0,52 mol
0,83 mol
Tags
masse
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Combien y a-t-il de moles dans 10 g de sulfate d'aluminium Al2(SO4)3 ?
2,9.10-2 mol
2,9.102 mol
1,5.10-3 mol
1,5.103 mol
Tags
masse
7.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Calcule la masse correspondant à 1/10ème de mol d'eau. Indique ta réponse avec une décimale.
Tags
masse
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