
pH ácidos Débiles
Authored by Elizabeth Castro
Science
University
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
CUALES SON LOS AMORTIGUADORES FISIOLÓGICOS:
BICARBONATO
ORTOFOSFATO
PROTEINAS
TODOS
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Si el Ácido fosfórico , tiene una constante de acidez igual a 7,5x10-3 , encontrar la concentración de hidroxilos , si el pH es igual a 4.1
9,9
0.17
1,25X 10-10
1,7 x10-4
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
El ácido acético teinen una concentración molar de 2.4X10-2 y su constante de Acidez es igual a 1.8X10-5
Calcular su pOH
4,32 X 10-7
10.81
3.18
6.57x 10-4
4.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Representa la estructura molecular de:
Detergente
Jabón
Carbohidrato
proteína
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Calcular el pH de una solución de ácido clorhídrico con una concentración de 0.01 M.
1
2
0
3
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Si el ácido sulfúrico tiene una constante de acidez de 1.2 x 10-2, ¿cuál es la concentración de iones de hidrógeno en una solución con pH 3?
0.01
1.58 x 10-5
1 x 10-3
0.1
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál de los siguientes compuestos actúa como un amortiguador en el sistema biológico?
Ácido clorhídrico
Ácido acético
Ácido nítrico
Ácido sulfúrico
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