
Desafíos de Estequiometría
Authored by MELENDEZ GAMALIEL
Chemistry
10th Grade
Used 1+ times

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31 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué es un mol y cómo se relaciona con el número de Avogadro?
Un mol es igual a 1 gramo de cualquier sustancia.
Un mol es una medida de volumen en litros.
El número de Avogadro es 1.000 x 10^23.
Un mol es una unidad que representa 6.022 x 10^23 entidades elementales, conocido como el número de Avogadro.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Calcula el número de moles en 50 gramos de agua (H2O).
0.5 moles
2.78 moles
3.14 moles
1.25 moles
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Si tienes 2 moles de NaCl, ¿cuántos gramos tienes?
117 gramos
200 gramos
150 gramos
100 gramos
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cómo se calcula el porcentaje en masa de un componente en una mezcla?
Porcentaje en masa = (masa del componente / masa total de la mezcla) x 100
Porcentaje en masa = (masa total de la mezcla / masa del componente) x 100
Porcentaje en masa = (masa del componente + masa total de la mezcla) x 100
Porcentaje en masa = (masa del componente x masa total de la mezcla) / 100
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Si una solución tiene una masa de soluto de 10 g y una masa total de 100 g, ¿cuál es el % masa-masa?
20%
10%
15%
5%
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Define la molaridad y cómo se calcula.
Molaridad = litros de solución / moles de soluto
Molaridad = moles de soluto x litros de solución
Molaridad = moles de soluto / litros de solución
Molaridad = gramos de soluto / litros de solución
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Si tienes 1 L de solución con 2 moles de soluto, ¿cuál es la molaridad?
2 M
1 M
0.5 M
3 M
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