
Estequiometría
Authored by Cristian Astudillo
Chemistry
9th Grade
Used 5+ times

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14 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
¿Cuál es el valor del Número de Avogadro?
6.022x10-23
6.220x1023
6.022x1023
6.220x10-23
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Las unidades de la masa molar son:
g
mol
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué valor relaciona L con mol de un gas?
Volumen molar.
Masa atómica.
Número de Avogadro.
Masa molar.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Valor que indica la masa del átomo, se obtiene de la tabla periódica
Volumen molar.
Masa atómica.
Número de Avogadro.
Masa molar.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿En cuál de las siguientes opciones hay solamente compuestos?
CO, CO2, H2CO3
C, Cl, CCl4
N, Ni, Np
N, Ni, Np
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