Qu'est-ce qu'une mole ?

Bases de la chimie : La mole

Flashcard
•
Science
•
12th Grade
•
Hard

Guillermo SILIEZAR
FREE Resource
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31 questions
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1.
FLASHCARD QUESTION
Front
Back
Une mole contient 6,02 × 10²³ entités (atomes, molécules, ions).
2.
FLASHCARD QUESTION
Front
Quelle est la constante d'Avogadro ?
Back
NA = 6,02 × 10²³ mol⁻¹.
3.
FLASHCARD QUESTION
Front
Comment se note la quantité de matière ?
Back
La quantité de matière se note n.
4.
FLASHCARD QUESTION
Front
Comment exprime-t-on la masse molaire ?
Back
La masse molaire s'exprime en g/mol.
5.
FLASHCARD QUESTION
Front
Quelle est la masse molaire de l'hydrogène ?
Back
M(H) = 1,0 g/mol.
6.
FLASHCARD QUESTION
Front
Quelle est la masse molaire de l'oxygène ?
Back
M(O) = 16,0 g/mol.
7.
FLASHCARD QUESTION
Front
Comment calcule-t-on la masse molaire d'une molécule ?
Back
On additionne la masse atomique de tous les atomes de la molécule.
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