
Estequiometría
Authored by Erwin Andres Lopez Diez
Chemistry
9th - 12th Grade
Used 1+ times

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8 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
La estequiometría es...
Una parte de la química
encargada de relaciones cuantitativas
el estudio de las relaciones de reactivos y productos
Todas las anteriores
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
El peso atómico es...
el número de protones
la masa de los electrones
Masa de un átomo respecto a la UMA
Igual para varios elementos
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
El peso molecular se obtiene de....
La tabla periódica
sumar los pesos de los átomos de la molécula
sumando los pesos atómicos de los elementos
Ninguna
4.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Un mol es igual a
6,023x10*23 átomos
una molécula de una sal
los gramos de una molécula
6,023x10*23 moléculas
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Es la masa de un mol de moléculas, equivalente numéricamente a su peso molecular expresado en gramos.
mol
mol-g
6,023x10*23 gramos
Ninguna
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Es el espacio ocupado por un mol de moléculas de una sustancia gaseosa, su valor depende de la temperatura y de la presión
área molar
10 litros de un gas
volumen molar
Volumen
7.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
La composición centesimal establece...
moles en cien gramos
Porcentajes de elementos en un compuesto
masa de cada elemento que existe en cien partes
Todas las anteriores
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