
MOLES ,MOLECULAS, FORMULA MOLECULAR
Authored by SUSANA ECHEVERRI
Chemistry
8th Grade
Used 107+ times

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8 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Si tengo 3 g de agua, ¿cuántos moles tengo? ( sabiendo que la masa molecular es de 18
0,16 moles
6 moles
54 moles
Ninguna es correcta
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Si tengo 3 moléculas de agua, cuántos átomos de oxígeno tengo?
1 átomo
El doble
3 átomos
Ninguna es cierta
La mitad
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
cómo calcularé la masa molecular de una molécula
Sabiendo las masas moleculares
Sabiendo las masas atómicas
No se puede saber
Las masas moleculares están en la tabla periódica
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Calcula ayudado por la tabla periódica la masa molecular del dióxido de carbono
28
44
Ninguna es cierta
52
5.
MULTIPLE CHOICE QUESTION
30 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
6.
MULTIPLE CHOICE QUESTION
30 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
7.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
Calcula la fórmula empírica de un hidrocarburo que en un análisis dio la siguiente composición: 85,63% de C y 14,3% de H
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