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pH y pOH

Authored by Elizabeth Castro

Chemistry

University

Used 124+ times

pH y pOH
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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Cuál es el pH de una solución cuya concentración de iones hidronio es de 1.0x10−5 M

5

8

9

12

2.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Selecciona las sustancias básicas o alcalinas

H2CO3

HNO3

H2O

KOH

Al(OH)3

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Si tengo el pH de un ácido en el valor de 1,2 estamos indicando que es:

Ácido debil

Ácido muy debil

Ácido fuerte

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Una sustancia con pH 12.26 es:

Neutra

Básica

Ácida

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

La fórmula para calcular el pOH es:

pH = − log⁡ ⌈H+⌉pH\ =\ -\ \log\ \lceil H^+\rceil

pH + pOH = 14pH\ +\ pOH\ =\ 14

pOH = − log⁡ ⌈OH−⌉pOH\ =\ -\ \log\ \lceil OH^-\rceil

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

El pH de una sustancia con

 ⌈H+⌉= 9.2 x 10−9 M es:\lceil H^+\rceil=\ 9.2\ x\ 10^{-9}\ M\ es:  

14

8.03

8.10

5.96

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Si una sustancia tiene un pOH de 4.7, el pH es de:

9.5

9.4

9.2

9.3

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