
Mol y Estequiometría
Authored by Victor Serrano
Chemistry
8th Grade
Used 52+ times

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12 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
¿ Cuántos moles de sal común (NaCl) contiene un salero con 117 g ?
1 mol
2 moles
0,5 moles
1,5 moles
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
¿ Cuántas moléculas de H2O hay en un vaso de agua (216 g aprox.) ?
5 moles
7 moles
12 moles
14 moles
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Todos los globos son iguales y están en las mismas condiciones de P y T, por lo tanto contienen el mismo número de moléculas.
Verdadero
Falso
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
¿ Cuántos gramos de He contiene un globo de 2 litros en condiciones normales (1 atm y OºC) ?
0,357 g
0,692 g
0,111 g
2 g
5.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
¿ Qué masa de hidróxido de sodio (NaOH) se necesita para preparar 100 ml de una disolución 2M?
6 g de NaOH
8 g de NaOH
10 g de NaOH
12 g de NaOH
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
En toda reacción química la masa total de las substancias que reaccionan es igual a la masa total de los productos que se obtienen.
Verdadero
Falso
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
¿ Cuántos moles contiene un recipiente de 454 litros de CO2 en condiciones estándar (105 Pa y 0ºC) ?
10 moles de CO2
15 moles de CO2
20 moles de CO2
25 moles de CO2
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