
556 PH
Authored by GREG FLORES R
Chemistry
12th Grade
Used 2+ times

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19 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Valor de la molaridad si 0.3 gramos de H2SO4 (98 g/mol) se disuelve en 200 mL de agua
98
0.15
3.06X10-03
0.015
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Una disolución con pH 12.26 es:
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
¿Cuál es el pH de una solución que contiene 2,5 gramos de HCl disueltos en agua hasta completar 1,5 l de solución?
0.045
1.34
-1.22
1.22
otra opción
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Si una solución tiene una [OH+] de 4.5 x 10-7 M, ¿qué tipo de solución es?
Acida
Alcalina
Neutra
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Si el pH de una sustancia aumenta, entonces su pOH:
Queda igual
También aumenta
Disminuye
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Si en una muestra la [H+] es igual 1 x 10-8 entonces el pH es igual a:
10
4
6
8
7.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Determinar el pH de una disolución acuosa de ácido clorhídrico 0,15 mol/L
7
7,8
9
0,82
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