
Parcial Final A1
Authored by DOUGLAS HERNANDEZ
Chemistry
1st Grade
Used 2+ times

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16 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Las curvas de calibración son utilizadas en:
En ambas técnicas
Técnicas de análisis total
Técnicas de análisis de concentración
2.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Estandarizacion y curva de calibración son sinónimos:
Falsa
Verdadero
3.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
En la reaccion: CN(ac) + H3O(ac) ---- HCN(ac) + H2O , la especie base conjugada es:
CN
H2O
HCN
H2O
4.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
La calibración es únicamente aplicable a instrumentos eléctricos
Verdadero
Falso
5.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
HCOO(ac) + H3O(ac) --- HCOOH(ac) + H2O(l), el HCOOH actua como:
Acido conjugado
Base
Base conjugada
Acido
6.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Cuantos gramos de LiCl son necesarios para preparar 500 mL de una solucion de 100 ppm de Li+
3.0539
0.5000
0.3054
0.0500
7.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
El objetivo de un desecador es:
Eliminar la humedad de la muestra
Evitar que la muestra absorba humedad
Absorber la humedad de la muestra
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