
Test - Estequiometría 5th Light Blue
Authored by Néstor Mancilla
Chemistry
5th Grade
Used 1+ times

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20 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
"La suma de las masas de los reactivos es igual a la suma de las masas de los reactivos"
Corresponde a la ley de:
Lavoisier
Richter
Dalton
Proust
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Para hacer cálculos de estequiometría, las ecuaciones químicas deben estar igualadas.
Verdadero
Falso
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Una de las siguientes opciones no es correcta
Un átomo de CO
Un átomo de C
Una molécula de CO2
Una molécula de CO
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
El peso atómico es un dato que:
se debe calcular
se obtiene en la tabla periódica
se obtiene en la tabla de valencias
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Haciendo uso de una tabla periódica, el peso atómico del Fósforo es:
39 g/mol
15 g/mol
31 g/mol
23 g/mol
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Haciendo uso de una tabla periódica, el peso atómico del Calcio es:
20 g/mol
32 g/mol
80 g/mol
40 g/mol
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Haciendo uso de una tabla periódica, el peso atómico del Sodio es:
23 g/mol
32 g/mol
11 g/mol
12 g/mol
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