
Estequiometría
Authored by Esteban Aguilar
Chemistry
12th Grade
Used 32+ times

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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué es el mol?
Unidad que indica la cantidad de materia.
Unidad que indica la masa de la sustancia.
Unidad que indica el volumen de sustancia.
Unidad que relaciona los protones de la sustancia.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
La expresión 2 Ca3(PO4)2 indica que hay:
Seis átomos de fósforo y cuatro de oxígeno.
Tres átomos de calcio, dos átomos de fósforo y ocho átomos de oxígeno.
Seis átomos de calcio, cuatro átomos de fósforo y dieciséis átomos de oxígeno.
Tres átomos de calcio, un átomo de fósforo y cuatro átomos de oxígeno.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Una mol se define como:
La cantidad de átomos presentes en 12 g de Carbono 12.
La cantidad de átomos presentes en 1 g de sustancia.
La cantidad de átomos presentes en 14 g de Carbono 14.
El peso de una molécula.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué es el reactivo limitante?
El que hace lenta la reacción.
El que inhibe la reacción.
El que acelera la reacción.
El que se termina primero.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Se le llama ____________ a la sustancia formada por dos o más componentes en la cual éstos conservan sus propiedades originales.
Compuesto.
Elemento.
Mezcla.
Reacción.
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
¿Cuántas mol de H2O hay en 180 g de sustancia?
10 mol
1 mol
0.1 mol
0.01 mol
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
¿Cuántos L de CO2 hay en 2 mol del gas?
11.2 L
22.4 L
33.6 L
44.8 L
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