Cuestionario: El mol y el número de Avogadro

Quiz
•
Chemistry
•
10th Grade
•
Medium
Manuel Clavel
Used 2+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué representa un mol en química?
El peso molecular de una sustancia
6.022 × 10²³ entidades (átomos, moléculas o iones)
Un litro de cualquier sustancia
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál es el valor del número de Avogadro?
3.14 × 10⁸
9.81 × 10³
6.022 × 10²³
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué unidad se usa para medir la masa molar?
gramos/mol
kilogramos
litros/mol
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
La masa molar del agua (H₂O) es aproximadamente 18 g/mol. ¿Cuántos gramos pesan 2 moles de agua?
9 g
18 g
36 g
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuántas moléculas hay en 0.5 moles de oxígeno (O₂)?
3.011 × 10²³
6.022 × 10²³
1.204 × 10²⁴
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Si tienes 24 g de carbono (masa molar = 12 g/mol), ¿Cuántos moles tienes?
2 moles
0.5 moles
12 moles
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué se necesita conocer para calcular la cantidad de sustancia en moles?
La temperatura del laboratorio
La masa de la sustancia y su masa molar
El color y la textura de la sustancia
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