Análisis volumétricoVideo3Valoración o titulación ÁcidoBase
Quiz
•
Professional Development
•
1st Grade
•
Medium
ANDREA GONZALES
Used 2+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
En el video se prepara una solucion de 1gr. de hidróxido de sodio en 50 ml de agua destilada, lo que equivale a una concentración:
0.5 Molar
1 Molar
10 Molar
0.1 Molar
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Porque razón se pone un fondo blanco debajo del matraz que contiene el analito?
Para observar el cambio de color
Para evitar que el matraz resbale
Todas las anteriores
Ninguna de las anteriores
3.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
La solución titulante o valorante usada en el video es:
Ácido clorhídrico
Hidróxido de sodio 0.1 M
Hidróxido de sodio 0.5 M
Ácido clorhídrico 0.5 M
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Para que apoya el profesor la varilla de vidrio en el embudo al vaciar la solución en la bureta?
Para agilizar el vaciado de la solución
Para controlar el volumen de vaciado de la solución
Por comodidad
Para evitar que se derrame la solución vaciada
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
El instrumento de laboratorio usado para contener al titulante se denomina:
Probeta
Bureta
Matraz Erlenmeyer
Ninguno de los anteriores
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Al proceso de vaciado del exceso de solución titulante(antes de la valoración) para el enrasado, se le denomina:
Filtrado
Purgado
Enrasado
Vaciado
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Conforme la solución titulante se va vaciando a la solución del analito(HCl) el pH :
Sube
Baja
Se mantiene estable
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