
Moles y masa molar
Quiz
•
Chemistry
•
3rd Grade
•
Hard
María Guijarro
Used 2+ times
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17 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Para pasar de moléculas a átomos, qué necesito
La masa molecular
El número de avogadro
La fórmula de: moles= g/MM
Ninguna es cierta
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Si tengo 2 moles de agua, ¿cuántos gramos tengo? ( sabiendo que la masa molecular es de 18
36 gramos
0,11 gramos
9 gramos
Ninguna es correcta
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Para pasar de moles a moléculas, qué necesito
La masa molecular
El número de avogadro
La fórmula de moles
Ninguna es cierta
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
¿Qué orden se utiliza para pasar de uno a otro?
Masa, mol, átomo, molécula
Masa, molécula, mol, átomo
Masa, mol, molécula, átomo
Mol, masa, molécula, átomo
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
¿A qué nos referimos cuando una unidad de medida química "representa una doceava parte de la masa atómica del carbono"?
El mol
La uma
La UMN
Peso
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Si tenemos en cuenta que las masas moleculares del K= 39g/mol, Mn= 55g/mol y el O= 16g/mol, ¿cuál es la masa molecular del permanganato de potasio (KMnO4)?
15,8g/mol
158g
158g/mol
158 mol
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Constante o número de Avogadro (NA)
6,023 x 1023
6,023 x 10-23
6023 x 1023
6032 x 10-23
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