ESTEQUIOMETRIA...
Quiz
•
Chemistry
•
2nd Grade
•
Practice Problem
•
Medium
Danae! Lopez
Used 47+ times
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11 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
¿ Que es la estequiometria ?
Una sustancia añadido a un sistema para provocar una reacción química
Es la conservación de la masa
Es el cálculo de las relaciones cuantitativas entre los reactivos y productos en el transcurso de una reacción química
2.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Según la tabla periódica cual es el significado de (H)
Hidrogeno
Helio
Hielo
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál es la formula para determinar el numero de moles?
n= m/M
m= M/n
N= m/M
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
¿Cuántos moles hay en 500gr de NaOH?
12,5 g/mol
10,8 gr
12,5 mol
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Cual es la masa atómica de (Na)
23,0
6,9
24
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál es la formula para determinar la masa?
m= M/n
n= m/M
m= n/M
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Para que sirve el método de balanceo?
Para evaluar la reacción química
Para igualar el número y clase de átomos, o moléculas reactantes con los productos, con la finalidad de cumplir la ley de conservación de la masa.
Ninguna de las anteriores
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