
Química Analítica

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Education
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University
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ADRIANA HERNANDEZ - CALVA
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11 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
El pH para una disolución de HCl 0.5 M es:
0.3
3
0
1
Answer explanation
El ácido clorhídrico es un ácido fuerte
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
El pH de una disolución de NaOH 1N es :
14
13
-14
12
Answer explanation
El NaOH es una base fuerte
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
El pH de una disolución de NaHCO3 0.1 es:
8.34
4.17
7
5.06
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
La base conjugada del ácido acético es:
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Selecciona la base conjugada del ácido más débil:
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
En una valoración el punto en el que son estequiométricamente iguales analito y valorante es:
punto inicial
punto final
punto de equivalencia
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
En una valoración de especies fuertes, por ejemplo:
a) HCl con NaOH para producir NaCl + H2O
b) NaOH con HCl producir NaCl + H2O
el punto equivalencia siempre se observa a pH:
igual a 7
mayor a 7
menor a 7
7.5
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